বই মেলা কেউ যাচ্ছে আজ? ভিড় কেমুন? | UPSC preparation with IAS Yogesh Patil

Hi everyone,. I am Yogesh Ashokrao Patil (IAS, AIR 63, CSE 2019 and IPS, AIR 231 CSE 2018) . I share my notes, sources, strategies and everything related to UPSC here. Link to YouTube channel-. . www...