For freshers recommended books for prelims general studies paper

For freshers

recommended books for prelims general studies paper 

social (50 percent questions coming from this area)

economy---ramesh singh book
---current affairs

polity-------laxmi kanth book
-------current affairs

history-----the gazetteer of India history and culture
-----any class notes(like karim sir notes or vajiram notes)

science (50 percent questions coming from this area)

biology, physics, chemistry---ncert 6th to 10th sciece books
---current affairs

technology-----current affairs

geography-----ncert 6th to 12th geography books
-----certificate physical and human geography by GOHCHENGLEONG
------current affairs

environmental studies-----cbsc 8th to 10th environmental studies books
-----current affairs