Shankar IAS Academy – Environment Book – 10 th Edition TNSCERT – 12 th Bio-Zoology – Chapter 12 TNSCERT – 12 th Bio-Botany – Chapter 8 Banking & Finance – Banking, Money & Finance – Central Bank – Commercial Bank – NBFIs (Non-Banking Financial Institutions) – Stock Market – Financial Reforms – Financial Stability – Monetary Policy – RBI (Reserve Bank of India) & Autonomy.