@keyframes react-spinners-BarLoader-long { 0% { left: -35%; right: 100%; } 60% { left: 100%; right: -90%; } 100% { left: 100%; right: -90%; } }@keyframes react-spinners-BarLoader-short { 0% { left: -200%; right: 100%; } 60% { left: 107%; right: -8%; } 100% { left: 107%; right: -8%; } } .MuiTouchRipple-root { top: 0; left: 0; right: 0; bottom: 0; z-index: 0; overflow: hidden; position: absolute; border-radius: inherit; pointer-events: none; } .MuiTouchRipple-ripple { opacity: 0; position: absolute; } .MuiTouchRipple-rippleVisible { opacity: 0.3; animation: MuiTouchRipple-keyframes-enter 550ms cubic-bezier(0.4, 0, 0.2, 1); transform: scale(1); } .MuiTouchRipple-ripplePulsate { animation-duration: 200ms; } .MuiTouchRipple-child { width: 100%; height: 100%; display: block; opacity: 1; border-radius: 50%; background-color: currentColor; } .MuiTouchRipple-childLeaving { opacity: 0; animation: MuiTouchRipple-keyframes-exit 550ms cubic-bezier(0.4, 0, 0.2, 1); } .MuiTouchRipple-childPulsate { top: 0; left: 0; position: absolute; animation: MuiTouchRipple-keyframes-pulsate 2500ms cubic-bezier(0.4, 0, 0.2, 1) 200ms infinite; } @-webkit-keyframes MuiTouchRipple-keyframes-enter { 0% { opacity: 0.1; transform: scale(0); } 100% { opacity: 0.3; transform: scale(1); } } @-webkit-keyframes MuiTouchRipple-keyframes-exit { 0% { opacity: 1; } 100% { opacity: 0; } } @-webkit-keyframes MuiTouchRipple-keyframes-pulsate { 0% { transform: scale(1); } 50% { transform: scale(0.92); } 100% { transform: scale(1); } } .MuiButtonBase-root { color: inherit; border: 0; cursor: pointer; margin: 0; display: inline-flex; outline: 0; padding: 0; position: relative; align-items: center; user-select: none; border-radius: 0; vertical-align: middle; -moz-appearance: none; justify-content: center; text-decoration: none; background-color: transparent; -webkit-appearance: none; -webkit-tap-highlight-color: transparent; } .MuiButtonBase-root::-moz-focus-inner { border-style: none; } .MuiButtonBase-root.Mui-disabled { cursor: default; pointer-events: none; } @media print { .MuiButtonBase-root { -webkit-print-color-adjust: exact; } } .MuiButton-root { color: rgba(0, 0, 0, 0.87); padding: 6px 16px; font-size: 0.875rem; min-width: 64px; box-sizing: border-box; transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms,box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms,border 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 500; line-height: 1.75; border-radius: 4px; letter-spacing: 0.02857em; text-transform: uppercase; } .MuiButton-root:hover { text-decoration: none; background-color: rgba(0, 0, 0, 0.04); } .MuiButton-root.Mui-disabled { color: rgba(0, 0, 0, 0.26); } @media (hover: none) { .MuiButton-root:hover { background-color: transparent; } } .MuiButton-root:hover.Mui-disabled { background-color: transparent; } .MuiButton-label { width: 100%; display: inherit; align-items: inherit; justify-content: inherit; } .MuiButton-text { padding: 6px 8px; } .MuiButton-textPrimary { color: #3f51b5; } .MuiButton-textPrimary:hover { background-color: rgba(63, 81, 181, 0.04); } @media (hover: none) { .MuiButton-textPrimary:hover { background-color: transparent; } } .MuiButton-textSecondary { color: #f50057; } .MuiButton-textSecondary:hover { background-color: rgba(245, 0, 87, 0.04); } @media (hover: none) { .MuiButton-textSecondary:hover { background-color: transparent; } } .MuiButton-outlined { border: 1px solid rgba(0, 0, 0, 0.23); padding: 5px 15px; } .MuiButton-outlined.Mui-disabled { border: 1px solid rgba(0, 0, 0, 0.12); } .MuiButton-outlinedPrimary { color: #3f51b5; border: 1px solid rgba(63, 81, 181, 0.5); } .MuiButton-outlinedPrimary:hover { border: 1px solid #3f51b5; background-color: rgba(63, 81, 181, 0.04); } @media (hover: none) { .MuiButton-outlinedPrimary:hover { background-color: transparent; } } .MuiButton-outlinedSecondary { color: #f50057; border: 1px solid rgba(245, 0, 87, 0.5); } .MuiButton-outlinedSecondary:hover { border: 1px solid #f50057; background-color: rgba(245, 0, 87, 0.04); } .MuiButton-outlinedSecondary.Mui-disabled { border: 1px solid rgba(0, 0, 0, 0.26); } @media (hover: none) { .MuiButton-outlinedSecondary:hover { background-color: transparent; } } .MuiButton-contained { color: rgba(0, 0, 0, 0.87); box-shadow: 0px 3px 1px -2px rgba(0,0,0,0.2),0px 2px 2px 0px rgba(0,0,0,0.14),0px 1px 5px 0px rgba(0,0,0,0.12); background-color: #e0e0e0; } .MuiButton-contained:hover { box-shadow: 0px 2px 4px -1px rgba(0,0,0,0.2),0px 4px 5px 0px rgba(0,0,0,0.14),0px 1px 10px 0px rgba(0,0,0,0.12); background-color: #d5d5d5; } .MuiButton-contained.Mui-focusVisible { box-shadow: 0px 3px 5px -1px rgba(0,0,0,0.2),0px 6px 10px 0px rgba(0,0,0,0.14),0px 1px 18px 0px rgba(0,0,0,0.12); } .MuiButton-contained:active { box-shadow: 0px 5px 5px -3px rgba(0,0,0,0.2),0px 8px 10px 1px rgba(0,0,0,0.14),0px 3px 14px 2px rgba(0,0,0,0.12); } .MuiButton-contained.Mui-disabled { color: rgba(0, 0, 0, 0.26); box-shadow: none; background-color: rgba(0, 0, 0, 0.12); } @media (hover: none) { .MuiButton-contained:hover { box-shadow: 0px 3px 1px -2px rgba(0,0,0,0.2),0px 2px 2px 0px rgba(0,0,0,0.14),0px 1px 5px 0px rgba(0,0,0,0.12); background-color: #e0e0e0; } } .MuiButton-contained:hover.Mui-disabled { background-color: rgba(0, 0, 0, 0.12); } .MuiButton-containedPrimary { color: #fff; background-color: #3f51b5; } .MuiButton-containedPrimary:hover { background-color: #303f9f; } @media (hover: none) { .MuiButton-containedPrimary:hover { background-color: #3f51b5; } } .MuiButton-containedSecondary { color: #fff; background-color: #f50057; } .MuiButton-containedSecondary:hover { background-color: #c51162; } @media (hover: none) { .MuiButton-containedSecondary:hover { background-color: #f50057; } } .MuiButton-disableElevation { box-shadow: none; } .MuiButton-disableElevation:hover { box-shadow: none; } .MuiButton-disableElevation.Mui-focusVisible { box-shadow: none; } .MuiButton-disableElevation:active { box-shadow: none; } .MuiButton-disableElevation.Mui-disabled { box-shadow: none; } .MuiButton-colorInherit { color: inherit; border-color: currentColor; } .MuiButton-textSizeSmall { padding: 4px 5px; font-size: 0.8125rem; } .MuiButton-textSizeLarge { padding: 8px 11px; font-size: 0.9375rem; } .MuiButton-outlinedSizeSmall { padding: 3px 9px; font-size: 0.8125rem; } .MuiButton-outlinedSizeLarge { padding: 7px 21px; font-size: 0.9375rem; } .MuiButton-containedSizeSmall { padding: 4px 10px; font-size: 0.8125rem; } .MuiButton-containedSizeLarge { padding: 8px 22px; font-size: 0.9375rem; } .MuiButton-fullWidth { width: 100%; } .MuiButton-startIcon { display: inherit; margin-left: -4px; margin-right: 8px; } .MuiButton-startIcon.MuiButton-iconSizeSmall { margin-left: -2px; } .MuiButton-endIcon { display: inherit; margin-left: 8px; margin-right: -4px; } .MuiButton-endIcon.MuiButton-iconSizeSmall { margin-right: -2px; } .MuiButton-iconSizeSmall > *:first-child { font-size: 18px; } .MuiButton-iconSizeMedium > *:first-child { font-size: 20px; } .MuiButton-iconSizeLarge > *:first-child { font-size: 22px; } .MuiTypography-root { margin: 0; } .MuiTypography-body2 { font-size: 0.875rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.43; letter-spacing: 0.01071em; } .MuiTypography-body1 { font-size: 1rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.5; letter-spacing: 0.00938em; } .MuiTypography-caption { font-size: 0.75rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.66; letter-spacing: 0.03333em; } .MuiTypography-button { font-size: 0.875rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 500; line-height: 1.75; letter-spacing: 0.02857em; text-transform: uppercase; } .MuiTypography-h1 { font-size: 6rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 300; line-height: 1.167; letter-spacing: -0.01562em; } .MuiTypography-h2 { font-size: 3.75rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 300; line-height: 1.2; letter-spacing: -0.00833em; } .MuiTypography-h3 { font-size: 3rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.167; letter-spacing: 0em; } .MuiTypography-h4 { font-size: 2.125rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.235; letter-spacing: 0.00735em; } .MuiTypography-h5 { font-size: 1.5rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.334; letter-spacing: 0em; } .MuiTypography-h6 { font-size: 1.25rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 500; line-height: 1.6; letter-spacing: 0.0075em; } .MuiTypography-subtitle1 { font-size: 1rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.75; letter-spacing: 0.00938em; } .MuiTypography-subtitle2 { font-size: 0.875rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 500; line-height: 1.57; letter-spacing: 0.00714em; } .MuiTypography-overline { font-size: 0.75rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 2.66; letter-spacing: 0.08333em; text-transform: uppercase; } .MuiTypography-srOnly { width: 1px; height: 1px; overflow: hidden; position: absolute; } .MuiTypography-alignLeft { text-align: left; } .MuiTypography-alignCenter { text-align: center; } .MuiTypography-alignRight { text-align: right; } .MuiTypography-alignJustify { text-align: justify; } .MuiTypography-noWrap { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .MuiTypography-gutterBottom { margin-bottom: 0.35em; } .MuiTypography-paragraph { margin-bottom: 16px; } .MuiTypography-colorInherit { color: inherit; } .MuiTypography-colorPrimary { color: #3f51b5; } .MuiTypography-colorSecondary { color: #f50057; } .MuiTypography-colorTextPrimary { color: rgba(0, 0, 0, 0.87); } .MuiTypography-colorTextSecondary { color: rgba(0, 0, 0, 0.54); } .MuiTypography-colorError { color: #f44336; } .MuiTypography-displayInline { display: inline; } .MuiTypography-displayBlock { display: block; } .MuiLink-underlineNone { text-decoration: none; } .MuiLink-underlineHover { text-decoration: none; } .MuiLink-underlineHover:hover { text-decoration: underline; } .MuiLink-underlineAlways { text-decoration: underline; } .MuiLink-button { border: 0; cursor: pointer; margin: 0; outline: 0; padding: 0; position: relative; user-select: none; border-radius: 0; vertical-align: middle; -moz-appearance: none; background-color: transparent; -webkit-appearance: none; -webkit-tap-highlight-color: transparent; } .MuiLink-button::-moz-focus-inner { border-style: none; } .MuiLink-button.Mui-focusVisible { outline: auto; } @-webkit-keyframes mui-auto-fill { 0% { display: block; } } @keyframes mui-auto-fill { 0% { display: block; } } @-webkit-keyframes mui-auto-fill-cancel { 0% { display: block; } } @keyframes mui-auto-fill-cancel { 0% { display: block; } }.css-1q85uro { padding-top: calc(104px); -webkit-box-flex: 1; flex-grow: 1; } .css-11qrfta { font-family: Roboto, Helvetica, Arial, sans-serif; font-weight: 500; font-size: 0.875rem; line-height: 1.75; letter-spacing: 0.02857em; text-transform: uppercase; min-width: 64px; padding: 6px 8px; border-radius: 4px; transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1), border-color 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1); color: rgb(25, 118, 210); } .css-11qrfta:hover { text-decoration: none; background-color: rgba(25, 118, 210, 0.04); } @media (hover: none) { .css-11qrfta:hover { background-color: transparent; } } .css-11qrfta.Mui-disabled { color: rgba(0, 0, 0, 0.26); } .css-1ujsas3 { display: inline-flex; -webkit-box-align: center; align-items: center; -webkit-box-pack: center; justify-content: center; position: relative; box-sizing: border-box; -webkit-tap-highlight-color: transparent; background-color: transparent; outline: 0px; border: 0px; margin: 0px; cursor: pointer; user-select: none; vertical-align: middle; appearance: none; text-decoration: none; font-family: Roboto, Helvetica, Arial, sans-serif; font-weight: 500; font-size: 0.875rem; line-height: 1.75; letter-spacing: 0.02857em; text-transform: uppercase; min-width: 64px; padding: 6px 8px; border-radius: 4px; transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1), border-color 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1); color: rgb(25, 118, 210); } .css-1ujsas3.Mui-disabled { pointer-events: none; cursor: default; } @media print { .css-1ujsas3 { print-color-adjust: exact; } } .css-1ujsas3:hover { text-decoration: none; background-color: rgba(25, 118, 210, 0.04); } @media (hover: none) { .css-1ujsas3:hover { background-color: transparent; } } .css-1ujsas3.Mui-disabled { color: rgba(0, 0, 0, 0.26); } .css-9l3uo3 { margin: 0px; font-family: Roboto, Helvetica, Arial, sans-serif; font-weight: 400; font-size: 1rem; line-height: 1.5; letter-spacing: 0.00938em; } .css-1qgm345 { display: flex; -webkit-box-align: center; align-items: center; background-color: white; border-radius: 8px; overflow: hidden; max-width: 400px; width: 100%; margin-top: 0px; } .css-feqhe6 { display: inline-flex; flex-direction: column; position: relative; min-width: 0px; padding: 0px; margin: 0px; border: 0px; vertical-align: top; width: 100%; } .css-1bp1ao6 { font-family: Roboto, Helvetica, Arial, sans-serif; font-weight: 400; font-size: 1rem; line-height: 1.4375em; letter-spacing: 0.00938em; color: rgba(0, 0, 0, 0.87); box-sizing: border-box; cursor: text; display: inline-flex; -webkit-box-align: center; align-items: center; width: 100%; position: relative; border-radius: 4px; } .css-1bp1ao6.Mui-disabled { color: rgba(0, 0, 0, 0.38); cursor: default; } .css-1bp1ao6:hover .MuiOutlinedInput-notchedOutline { border-color: rgba(0, 0, 0, 0.87); } @media (hover: none) { .css-1bp1ao6:hover .MuiOutlinedInput-notchedOutline { border-color: rgba(0, 0, 0, 0.23); } } .css-1bp1ao6.Mui-focused .MuiOutlinedInput-notchedOutline { border-color: rgb(25, 118, 210); border-width: 2px; } .css-1bp1ao6.Mui-error .MuiOutlinedInput-notchedOutline { border-color: rgb(211, 47, 47); } .css-1bp1ao6.Mui-disabled .MuiOutlinedInput-notchedOutline { border-color: rgba(0, 0, 0, 0.26); } .css-1x5jdmq { font: inherit; letter-spacing: inherit; color: currentcolor; border: 0px; box-sizing: content-box; background: none; height: 1.4375em; margin: 0px; -webkit-tap-highlight-color: transparent; display: block; min-width: 0px; width: 100%; animation-name: mui-auto-fill-cancel; animation-duration: 10ms; padding: 16.5px 14px; } .css-1x5jdmq::-webkit-input-placeholder { color: currentcolor; opacity: 0.42; transition: opacity 200ms cubic-bezier(0.4, 0, 0.2, 1); } .css-1x5jdmq:focus { outline: 0px; } .css-1x5jdmq:invalid { box-shadow: none; } .css-1x5jdmq::-webkit-search-decoration { appearance: none; } label[data-shrink="false"] + .MuiInputBase-formControl .css-1x5jdmq::-webkit-input-placeholder { opacity: 0 !important; } label[data-shrink="false"] + .MuiInputBase-formControl .css-1x5jdmq:focus::-webkit-input-placeholder { opacity: 0.42; } .css-1x5jdmq.Mui-disabled { opacity: 1; -webkit-text-fill-color: rgba(0, 0, 0, 0.38); } .css-1x5jdmq:-webkit-autofill { animation-duration: 5000s; animation-name: mui-auto-fill; } .css-1x5jdmq:-webkit-autofill { border-radius: inherit; } .css-19w1uun { border-color: rgba(0, 0, 0, 0.23); } .css-igs3ac { text-align: left; position: absolute; inset: -5px 0px 0px; margin: 0px; padding: 0px 8px; pointer-events: none; border-radius: inherit; border-style: solid; border-width: 1px; overflow: hidden; min-width: 0%; border-color: rgba(0, 0, 0, 0.23); } .css-ihdtdm { float: unset; width: auto; overflow: hidden; padding: 0px; line-height: 11px; transition: width 150ms cubic-bezier(0, 0, 0.2, 1); } .css-w0pj6f { overflow: hidden; pointer-events: none; position: absolute; z-index: 0; inset: 0px; border-radius: inherit; }@keyframes rzp-rot { 100% { transform: rotate(360deg); } } @-webkit-keyframes rzp-rot { 100% { transform: rotate(360deg); } } .razorpay-container > iframe { min-height: 100% !important; } .razorpay-checkout-frame.razorpay-mobile-layout { max-width: 450px !important; height: 90vh !important; min-height: 0px !important; max-height: 900px !important; position: fixed !important; top: 50% !important; left: 50% !important; transform: translate(-50%, -50%) !important; border-radius: 16px !important; overflow: hidden !important; } @media (max-width: 450px) { .razorpay-checkout-frame.razorpay-mobile-layout { max-width: 100% !important; width: 100% !important; height: 100% !important; max-height: 100% !important; top: 0px !important; left: 0px !important; transform: none !important; border-radius: 0px !important; } }

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UPSC Previous Year Question Papers

Access UPSC Previous Year Question Papers, Prelims resources, answer keys, CSAT resources and subject-wise Mains PYQs in one place.

Use the resources to practise actual UPSC questions, review your answers and understand previous examination patterns.

UPSC Prelims Question Papers

2026 Question Papers

📄UPSC Prelims 2026 – Paper 1 Set A Question Paper

📄UPSC Prelims 2026 – Paper 1 Set B Question Paper

📄UPSC Prelims 2026 – Paper 2 Set A Question Paper (CSAT)

UPSC Prelims Answer Keys – 2026

📄UPSC Prelims 2026 – Paper 1 Answer Key

📄UPSC Prelims 2026 – Paper 2 (CSAT) Answer Key

📄UPSC Prelims 2026 – Paper 1 Detailed Answer Key & Explanation (Set-A)

Previous Years

Prelims answer keys from 2015 through 2025, one card per year.

2015UPSC Prelims 2015 – Key

2016UPSC Prelims 2016 – Key

2017UPSC Prelims 2017 – Key

2018UPSC Prelims 2018 – Key

2019UPSC Prelims 2019 – Key

2020UPSC Prelims 2020 – Key

2021UPSC Prelims 2021 – Key

2022UPSC Prelims 2022 – Key

2023UPSC Prelims 2023 – Key

2024UPSC Prelims 2024 – Key

2025UPSC Prelims 2025 – Key

UPSC CSAT Previous Year Resources

📄UPSC Previous Year Question Paper – CSAT Paper – 2020 Answer Key

📄UPSC Previous Year Question Paper – CSAT Paper – 2021 Answer Key

📄UPSC Previous Year Question Paper – CSAT Paper – 2022 Answer Key

📄UPSC Previous Year Question Paper – CSAT Paper – 2023 Answer Key

📄UPSC Previous Year Question Paper – CSAT Paper – 2024 Answer Key

UPSC Mains Subject-wise Previous Year Questions

Subject-wise Mains Previous Year Questions covering 2020–2025, for both General Studies Optionals and Anthropology.

🏛️

History

2020–2025

👥

Sociology

2020–2025

⚖️

PSIR

2020–2025

🌍

Geography

2020–2025

🧬

Anthropology

2020–2025

UPSC Mains GS & Essay Question Papers

📄General Studies and General Essay Question Papers – UPSC Mains 2025

Anthropology PYQ Support Resources

Additional Anthropology-focused resources to support Optional Subject preparation alongside the standard PYQ papers.

📄Anthropology Question Papers Detailed Explanation – UPSC Mains 2025

📄Anthropology Most Expected Areas – UPSC CSE Mains 2025

📄UPSC CSE Mains 2026 – Anthropology Most Expected Areas

Turn PYQs Into Practice

Use previous-year questions as a starting point for structured UPSC preparation.

PYQs→Practice→Evaluation→Improvement

Frequently Asked Questions

You can access UPSC Prelims and Mains Previous Year Question Papers through the resources available on Sosin IAS Academy, along with answer keys and subject-wise Mains PYQs.

Practise multiple previous years to understand UPSC's question patterns and recurring themes. Sosin IAS Academy provides several years of Prelims answer-key resources and Mains PYQs.

Yes. Prelims PYQs help with objective-question practice, while Mains PYQs help you understand question demands and answer-writing requirements. Sosin provides resources for both.

Attempt the paper first, check the answer, identify mistakes and revise the relevant topic. You can then continue with test series and structured practice through Sosin IAS Academy.

Yes. PYQs can help you understand what UPSC has actually asked and make your preparation more focused. Combine them with Sosin's study resources, Current Affairs, practice and test series.

Start Your UPSC PYQ Practice

Access previous-year question papers, answer keys and subject-wise Mains resources from Sosin IAS Academy.

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