This pdf is in notes form. It is ideal for preparation of Indian Engineering Services (IES) Prelims PAPER-I ( GS Portion). Total Pages : 135
Explanatory Video Series Available on Youtube
Channel Link : https://www.youtube.com/watch?v=63pf2WBzRkk&list=PLQ2LA2PN7JUh-eeNdmR0pt3JCiglRqoX7