UPSC Prelims Test Series 2027 (PRIME) | Best IAS Prelims Mock Tests

Elevate Your Preparation with PRIME 2027

The Prepp IAS UPSC Prelims Test Series 2027 (PRIME) is a highly structured, comprehensive preparation program engineered to give you a decisive edge. Clearing the Civil Services Prelims requires more than just reading standard textbooks; it demands rigorous practice, conceptual clarity, and absolute familiarity with the evolving exam pattern.

Our UPSC Prelims Test Series builds your exam temperament step-by-step. Designed by experienced mentors and faculty who have consistently scored 120+ in Prelims, this IAS Prelims Mock Test program simulates the exact difficulty, analytical depth, and pressure of the actual UPSC examination.

4.8+ By Enrolled Students
Language:  English
Language:  English
Starting from: 7,499 4999
UPSC Prelims Test Series 2027 (PRIME) | Best IAS Prelims Mock Tests

Scheduled Batches

PRIME P1 | 31 May 2026

Number of Tests: 50

Language Medium: English

Download Schedule
4,999

Our Toppers

Ananya Sharma

Ananya Sharma

AIR #13

UPSC 2025

Rohin Kumar

Rohin Kumar

AIR #39

UPSC 2025

Sonali Jha

Sonali Jha

AIR #89

UPSC 2025

Shubham Kumar Mahato

Shubham Kumar Mahato

AIR #142

UPSC 2025

Garv Garg

Garv Garg

AIR #192

UPSC 2025

Tanya Singh

Tanya Singh

AIR #200

UPSC 2025

Ayush Pathak

Ayush Pathak

AIR #215

UPSC 2025

Nitish Kumar

Nitish Kumar

AIR #237

UPSC 2025

Kartikey Singh

Kartikey Singh

AIR #269

UPSC 2025

Vishal Pattanayak

Vishal Pattanayak

AIR #341

UPSC 2025

Richa Singh

Richa Singh

AIR #632

UPSC 2025

Kunal Rastogi

Kunal Rastogi

AIR #15

UPSC 2023

Smit Panchal

Smit Panchal

AIR #30

UPSC 2024

Ayushi Pradhan

Ayushi Pradhan

AIR #36

UPSC 2023

Shivani Panchal

Shivani Panchal

AIR #53

UPSC 2024

Ritika Chitlangia

Ritika Chitlangia

AIR #55

UPSC 2024

Abhimanyu Malik

Abhimanyu Malik

AIR #60

UPSC 2023

Shivansh Rathee

Shivansh Rathee

AIR #63

UPSC 2023

Poorva Agrawal

Poorva Agrawal

AIR #65

UPSC 2024

Tanuj Pathak

Tanuj Pathak

AIR #72

UPSC 2023

Rohit Tyagi

Rohit Tyagi

AIR #74

UPSC 2023

Neelesh Goyal

Neelesh Goyal

AIR #77

UPSC 2024

Dr. Prashanth S

Dr. Prashanth S

AIR #78

UPSC 2023

Ajey Singh

Ajey Singh

AIR #87

UPSC 2023

Pavitra Goyal

Pavitra Goyal

AIR #109

UPSC 2024

Pranav Jain

Pranav Jain

AIR #150

UPSC 2024

Shailendra Choudhary

Shailendra Choudhary

AIR #362

UPSC 2024

Dev Singh Tomar

Dev Singh Tomar

AIR #629

UPSC 2024

Dr. Aaditya Sharma

Dr. Aaditya Sharma

AIR #70

UPSC 2022

Sunil Phogat

Sunil Phogat

AIR #77

UPSC 2022

Dr. Anjali Garg

Dr. Anjali Garg

AIR #79

UPSC 2022

Jatin Jain

Jatin Jain

AIR #91

UPSC 2022

Ankit

Ankit

AIR #99

UPSC 2022

Rajiv Agarwal

Rajiv Agarwal

AIR #103

UPSC 2023

Manoj Kumar

Manoj Kumar

AIR #120

UPSC 2023

Rajendra Bishnoi

Rajendra Bishnoi

AIR #161

UPSC 2023

Jai Vats

Jai Vats

AIR #431

UPSC 2023

Madhav Upadhyay

Madhav Upadhyay

AIR #148

UPSC 2022

Shrusti Jain

Shrusti Jain

AIR #165

UPSC 2022

Navita Kumari

Navita Kumari

AIR #251

UPSC 2022

Rishabh Shukla

Rishabh Shukla

AIR #252

UPSC 2022

Jaish Kumar

Jaish Kumar

AIR #

IRPS 2018

Alok Kumar Verma

Alok Kumar Verma

AIR #

IFS 2019

Bharat Bhushan

Bharat Bhushan

AIR #

IRAS 2019

Reflections in UPSC Prelims
UPSC Prelims 202567 QuestionsView
UPSC Prelims 202434 QuestionsView
UPSC Prelims 202329 QuestionsView

Program Structure: The 50-Test Roadmap

The UPSC Prelims Test Series 2027 schedule provides an exhaustive testing cycle containing strictly 50 live scheduled tests alongside Preloaded NCERT Foundational Tests. This structured layout ensures complete coverage of General Studies Paper I and CSAT Paper II, gradually advancing from fundamental concepts to full syllabus simulation.

summary
Why Choose Prepp IAS for Your UPSC Prelims Test Series 2027?
  1. The 3X Revision Strategy

    Our IAS Prelims Mock Test series leverages a scientifically backed triple-pass revision framework. You first master topics sectionally through Half Length papers, consolidate your knowledge during the comprehensive Revision block, and perfect your execution during the Full Length mock and simulator phase.

  2. Complete Current Affairs Synchronization

    Avoid the trap of studying static subjects and current affairs in isolation. Our schedule seamlessly weaves month-by-month Current Affairs directly into your static subject tests, spanning back to January 2025 to ensure exhaustive preparedness.

  3. Uncompromising CSAT Focus

    With the rising difficulty of the aptitude paper, neglecting CSAT is a critical error. The PRIME series features 12 dedicated scheduled live CSAT tests (2 Half Length sectionals, 1 Full Length Revision, 8 Full Length Mocks, and 1 Simulator) to guarantee you comfortably cross the qualifying threshold.

  4. Actionable Performance Analytics

    Every test submission unlocks an advanced analytics dashboard. Track your subject-wise strengths, evaluate difficulty-level accuracy, review time spent per question, and analyze your All-India Rank to benchmark your progress accurately against serious peers.

centric approach
Prepp IAS vs Other UPSC Prelims Test Series
FeaturePrepp IAS PRIME 27Typical Test Series
Keyword FocusUPSC Prelims Test Series + IAS Prelims Mock TestUsually generic mocks
Total Scheduled Tests50 TestsOften 25–35 Tests
GS CoverageSectional + Full-Length + Revision + SimulatorMostly full-length mocks
CSAT Coverage12 CSAT Tests including simulatorOften limited
Current AffairsIntegrated with test scheduleOften separate
Revision ModelMultiple revision cycleLimited revision structure
Simulator TestsGS + CSATMay be absent
Previous Relevance67 questions in Prelims 2025 reflected from test seriesOften not clearly shown
prelims-overview
Who Should Join This UPSC Prelims Test Series?

This program is ideal for:

  • UPSC CSE 2027 aspirants
  • Aspirants searching for a structured UPSC Prelims Test Series
  • Students looking for a complete UPSC Prelims Test Series 2027
  • Aspirants who need regular IAS Prelims Mock Test practice
  • Beginners who want subject-wise preparation
  • Repeat aspirants who want to improve accuracy
  • Aspirants weak in CSAT
  • Working professionals who need a planned test calendar
  • Students who want final simulator-based exam practice

Enroll in UPSC Prelims Test Series 2027

The Prepp IAS UPSC Prelims Test Series 2027 helps you move from reading to revision, from revision to testing, and from testing to final exam readiness.

With 50 scheduled tests, NCERT foundational tests, GS and CSAT coverage, current affairs integration, full-length IAS Prelims mock tests, and final simulators, PRIME 27 is designed to help you improve accuracy, speed, confidence, and Prelims performance.

Meet Your Faculty

Siddhartha Kumar
Siddhartha Kumar
4 Mains, 1 interview
Expertise in Economy, Polity, Governance and Ethics
Read Full Bio
Sourabh Jain
Sourabh Jain
2 Mains, 2 interview
Expertise in Polity, Society and History
Read Full Bio
Prashant Bhule
Prashant Bhule
4 Mains, 2 Interview
Expertise in History, Economy, Society and Internal Security
Read Full Bio
Sitender Choudhary
Sitender Choudhary
1 Mains, 1 Interview
Expertise in Geography, Environment and Internal Security
Read Full Bio
Siddhartha Kumar
Siddhartha Kumar
4 Mains, 1 interview
Expertise in Economy, Polity, Governance and Ethics
Read Full Bio
Sourabh Jain
Sourabh Jain
2 Mains, 2 interview
Expertise in Polity, Society and History
Read Full Bio
Prashant Bhule
Prashant Bhule
4 Mains, 2 Interview
Expertise in History, Economy, Society and Internal Security
Read Full Bio
Sitender Choudhary
Sitender Choudhary
1 Mains, 1 Interview
Expertise in Geography, Environment and Internal Security
Read Full Bio
Karan Singh
Karan Singh
CSAT Expert
Expert in CSAT
Read Full Bio
Dimple Nankani
Dimple Nankani
4 Mains, 1 Interview
Expert in Ethics
Read Full Bio
Karuna Mishra
Karuna Mishra
2 Mains, 1 Interview
Expert in Science & Tech
Read Full Bio
Samridhi Goyal
Samridhi Goyal
4 Mains, 2 Interviews
Expertise in General Studies Paper 3
Read Full Bio

Frequently Asked Questions

A UPSC Prelims Test Series is a structured set of mock tests designed to help aspirants practise GS Paper I and CSAT Paper II before the actual UPSC Prelims examination.

The best UPSC Prelims Test Series 2027 should include subject-wise tests, full-length mocks, CSAT practice, current affairs coverage, revision tests, detailed solutions, and simulator tests. Prepp IAS PRIME 27 includes all these components.

An IAS Prelims Mock Test is a practice test designed on the UPSC Prelims pattern. It helps aspirants improve accuracy, time management, elimination skills, and exam confidence.

Prepp IAS PRIME 27 includes 50 scheduled tests along with preloaded NCERT foundational tests.

Yes. It includes CSAT half-length tests, one CSAT revision test, eight full-length CSAT tests, and one final CSAT simulator.

Yes. The program includes full-length GS mock tests, full-length CSAT mock tests, and final simulator tests.

GS tests are scheduled at 09:30 AM, and CSAT tests are scheduled at 02:30 PM.

Yes. Current affairs are integrated into the GS test schedule and final mock tests.
UPSC Prelims Test Series 2027 (PRIME) | Best IAS Prelims Mock Tests

Scheduled Batches

PRIME P1 | 31 May 2026

Number of Tests: 50

Language Medium: English

Download Schedule
4,999

Hear it From The Learners

TI
Tejaswini Iyer
New Delhi, NCR

It was a very well-planned elaborate course. It was really very helpful as it gave a taste of how the real exam would be. Also Known

SS
Sonali Sharan
Student, Gurugram

The course was really helpful. It was a whole package of learning on how to go for answer writing in UPSC. The faculty members were really supportive and very active in clearing our doubts. I got to know where i am lacking, what are my weaknesses and faults and what improvements i need in the journey of UPSC. Overall i can say it was a fruitful output with minimum input. Looking forward for further courses as well. Thankyou.

S
Suman
Student, Gurugram

Very detailed feedback on answers were provided which made me aware of the lacunae in my preparation and helped to further rectify it.

R
Ritik
Student

Helped me a lot to improve my writing skills. When started I was not confident, but now I'm able to deal with the questions confidently. Special thanks to sourabh sir.

N
Nidhi
Student

Thanks to prepp ias team special thank to Siddharth sir n Saurabh sir this course is very helpful to me, apke daily guidence bht helpful hai.this is the best platform for the upsc aspirant

D
Divya
New Delhi, NCR

I started my preparation 3 months ago with prepp IAS daily guidance UPSC 2022, this course helped to understand what exactly answer writing means before this i was not sure where to start, how to start, what to write to practice answer writing but after this course i m at least sure about this if i have enough content i can write answer and i Really want to keep practising answer writing with prepp IAS Team, Looking forward for another series

B
Boricha
Student

As a beginner and a state psc aspirant, now I can understand the question and changed my thought process thank u team prepp