hi,

see btech courses is available on information technology, food technology, bio medical engineering, btech courses is of 4 years and mostly focused on technology and applied physics theory, from food technology area you may know about food manufacturing, process, latest technology related with, where bio medical engineering deals with software and hard ware technology related with medical diagnostic system, Information technology deals with software and web technology, computer programming.

bsc in zoology course has studies related with animals, their physical structure,  morphology, biochemistry, physiology, immunology, cell and molecular biology etc.

bsc in anesthesia and operation technology is related with medical anesthesia course, related medicine and studies of latest operation equipment,

pharma D is a 6 years course, 4 years bachelor of pharmacy and 2 years doctoral study related with specialized area, pharmacy course is related with drug, chemical reaction in human body, drugs effects in human body.