bids are invited for books introduction to electrodynamics , modern digital electronics , an introduction to mechanics , mechanics , modern physics , heat thermodynamics and statistical physics , kittel s solid state physics , mathematical physics and newtonian mechanics , practical physics vol i , thermal physics and semiconductor devices , electromagnetic theory and modern optics , practical physics vol iii , perspectives of modern physics and basic electronics , experiments in microbiology , disease of crop plant in india , fundamentals of ecology , a textbook of plant ecology , ecology environment science and conservation , principles of genetics , plant breeding , cell and molecular biology , practical microbiology , college botany vol i , college botany vol ii , college botany vol iii , algae , microbial technology and classical botany , archigoniates and plant architecture , flowering plant identification and aesth. charact , economic botany ethnomedicine and phytochemistry total quantity : 384