A series based on Concept application to solve prelims paper to increase your Prelims marks by 15 to 20 Marks.
AIR 8 ,UPSC CSE 2021
AIR 11, UPSC CSE 2021
AIR 29, UPSC CSE 2021
AIR 32, UPSC CSE 2021
AIR 84, UPSC CSE 2021
AIR 09, UPSC CSE 2020
AIR 16, UPSC CSE 2021
AIR 81, UPSC CSE 2021
AIR 143, UPSC CSE 2021