Hi Raksha,

You should start with the basics first i.e., the NCERT text books, followed by reference books and sample papers. You can go for books like

* History Of Modern India by Bipan Chandra. (History)

* India's Ancient Past by R.S. Sharma. (History)

* India's Struggle For Independence by Bipan Chandra. (History)

* Geography of India by Majid Husain. (Geography)

* Certificate Physical and Human Geography by Goh Cheng Leong. (Geography)

* Indian Economy by Ramesh Singh. (Economy)

You can read Competition Success magazine.

Thank you and best of luck.

Hii

Firstly, you will require your NCERT books, depending upon the optional subject you choose.

Following are the books for UPSC prelims exam-

History Of Modern India  Bipan Chandra. (History)

Indias Ancient Past  R.S. Sharma. (History)

Indias Struggle For Independence  Bipan Chandra. (History)

Geography of India  Majid Husain. (Geography)

Certificate Physical and Human Geography  Goh Cheng Leong. (Geography)

Indian Economy  Ramesh Singh. (Economy)

Apart from books there are recommended magazines as well:

• Yojana
• Economic and Political Weekly

You will get these books easily in any book store.

All the best.