bids are invited for books drawing , physics vol i and vol ii , engineering chemistry , fruits and vegetable preservation , modern electric traction , non-conventional energy sources , energy technology non conventional renewable and conventional , civil engineering materials , workshop technology i , workshop technology ii , polymer science , textbook of concrete technology 2nd edition , food microbiology , introduction to process calculations stoichiometry , heat transfer , chemical engineering thermodynamics , unit operations-i fluid flow and mechanical operations , unit operations-ii heat and mass transfer , chemical reactions engineering-i , mass transfer-ii , chemical process and equipment design , environmental pollution and awareness , outlines of dairy technology , fundamental of biochemistry , principle of electronics , introduction to computer , materials of construction , principles of communication system , power system protection and switchgear , electrical machines , basics electrical engineering , entrepreneurship development and management total quantity : 791