Mathematics - Higher engineering mathematics by B. S. Grewal

HMT  -Heat Transfer by Jack P Holman

Thermodynamics - Introduction to Thermodynamics by YVC rao

Fluid Mechanics - Fluid Mechanics and Hydraulic machines by R K bansal

Material Science - class presentation by Dr.Arshad Aijaz

Humanities and social science - class presentation by Dr. Anirban Mukherjee

NASA : Higher Engineering Mathematics by B S Grewal.
Refining - Fundamentals of Petroleum Refining by M.A. Fahim, Taher,A. , A. Elkilani.
Solid fluid mechanics: Unit Operations by McCabe Smith.
Fluid Flow Operations: Unit Operations by McCabe Smith.
Chemical Engineering Thermodynamics - Chemical, Biochemical and Engineering Thermodynamics by Stanley Sandlers