NOTE: Mains Preparation is half done if you have prepared well for Prelims exam. These sources are to be referred in addition to what you have studied for Prelims.

GS PAPER I

1. History of Karnataka: Namma KPSC Notes
2. Post Independent Karnataka: Namma KPSC Notes
3. Sociology: Namma KPSC Notes
4. Economy: Indian Economy by Ramesh Singh
5. Rural Development: Namma KPSC Notes

GS PAPER II

1. World Geography: NCERTS of 11^th & 12^th
2. Indian Geography: Majid Hussain – Indian Geography
3. Polity: Lakshmikanth for Static portion + Current Affairs
4. Public Administration: Namma KPSC Notes

GS PAPER III

1. Science & Technology: Major portion to be covered in Current Affairs + Namma KPSC Notes
2. Environment: Current Affairs + Shankar IAS Notes for concepts

GS PAPER IV

1. Ethics, Integrity & Aptitude: Namma KPSC Notes

ESSAY

1. Namma KPSC Essay approach Notes
2. Mahithi Monthly Magazine
3. Yojana & Kurukshetra Magazines, etc

IF YOU CAN DREAM IT, YOU CAN DO IT.