You are spend to regular 2 hours on Current Affairs – Chanakya IAS Academyand 2 hours on Static part each day for ~365.
Political Science : Laxmikant Indan polity.
Economics: Economic Lectures available on youtube channel.
History: Modern India Spectrum or Tamilnadu State board book for 11th & 12th.
Geography: NCERT class VI to XII.
Sunday Case study Video on Chanakya IAS Academy Youtube Channel