The important topics are covered from Current affairs on social issues, deaths, cases, Economic Affairs, national and international major affairs
Art and culture: Traditional dances, famous artists and their fields, Customs etc
Sports personalities and their sports, Recent Awards and honours, Prize winning Books and authors
Government schemes
Basic economy: RBI, GDP sector wise, Budget highlights, revolutions in agriculture sector, high crop producing states etc.

For the preparation of the exam you can prefer Manorama year book, Pratiyogita Darpan & read News Papers.

To check the complete information about the exam you can go throguh with given below link.

TISSNET 2018

Good Luck!