Important Sources (Follow any one newspaper for news items (preferably The Hindu); one for editorial (best Indian Express); and one Business newspaper – only editorials (best is Live mint).
Reference Book: India’s Struggle for Independence – Bipan Chandra; Plassey to Partition by SekharBandyopadhyay
NOTE: Most part of ‘Culture’ section overlaps with Ancient and Medieval History. Apart from the above mentioned books, you can refer the below link for more information on Culture.
You need to study CCRT Website – CCRT ; Performing Arts and Literary Arts
Reference Book: Certificate Physical and Indian Geography – Goh Cheng Leong; OLD NCERT Geography – Class 11th and 12th (if you can find them )
Reference Book: Introduction to Indian Constitution – D.D.Basu
Reference material : Shankar IAS notes on Environment