GS-1 –

• History –
  • Modern History – Spectrum and PYQ
  • World History – Shreyans Kumat Sir Notes
  • Post Independence – Rushikant Reddy Sir Notes
  • Ancient History – Old NCERTs, Remaining topics from Tamil Nadu Book
• Society – Shruti Sharma Ma’am Notes, Mains365, Rushikant Reddy Sir Notes
• Geography – GC Leong, NCERT Class 11th and 12th , Rushikant Reddy Sir Notes
• Art & Culture – Nitin Singhania Sir Handwritten Notes , PYQ theme-based notes

GS-2 –

For most of the part, I referred to Rushikant Reddy Notes.

• Polity – Laxmikanth, Mains365, SunyaIAS Judgements booklet
• Governance – Kumar Anurag Sir Notes
• Welfare – Rushikant Reddy Sir Notes, Mains365 and DistilledIAS PYQ notes
• IR – Mains365, Dipin Sir CA Handouts, MEA Website for keywords

GS-3 –

I majorly focused on low-hanging fruits in GS-3 like Agri, DM, Environment and Security.

• Economics and Agriculture –
  • Jayant Sir (AIR-59) Notes, Mains365
  • MGP Booklets , Shankar Ganesh
  • Economic Survey and Budget (last 2 years)
  • Didn’t read much as my optional was economics
• Disaster Management –
  • Shruti Sharma Ma’am Notes, Mains365 for latest updates
• SnT –
  • MGP Booklets, Mains365, Shruti Ma’am Notes
• Security –
  • Manish Sharma(AIR-307) Sir Notes, Mains365, PYQ theme based analysis
• Environment –
  • ShankarIAS Book, Mains365
  • PYQ notes (will attach below)

GS-4 –

• ConvertIAS PYQ Analysis by IPS Ankita Mishra Ma’am
• Base Notes(will attach) from DK Balaji Book, this was enriched by Peeyush Sir Ethics Improvement Module
• Used Topper Copies – Neha Bhosle Ma’am, Aditya Srivastava Sir, Aishwarya Sheoran Ma’am