Microbiology and biotechnology have emerged as the least favoured courses this year, with seats remaining vacant even after the casual round of counselling for vacant seats conducted by Bangalore University on Saturday.

This happened mainly because the infrastructure of private colleges was not up to the mark, said a BU professor, who did not want to be named. “The other reason is that such subjects do not offer opportunities like in the IT sector.”

According to K. Manjunath of the BU department of microbiology, the irrational enhancement of seats in private colleges has created a notion that there is less demand for the course.

“Some colleges have allotted as many as 100 seats for the subject. It is, in fact, unimaginable to have so many students taking up a basic science course.” Only about five to 10 students get recruited by the end of the course.

A total of 655 seats were on offer in biotechnology, of which only 22 belonged to the university; affiliated colleges had a maximum intake of 50 for the course.

A total of 333 seats were open to students for microbiology, of which 22 belonged to the university. Colleges set aside a maximum of 30 seats for the course.

Languages also had few takers this time, said BU Registrar (Evaluation) R.K. Somashekar. Only seats for the English course were lapped up. The casual round of counselling was held for 10 per cent of about 1,800 seats that remained vacant after the first round of counselling.

However, there are no seats left in some postgraduate courses, including chemistry, psychology, communications, education, geology, and commerce (master’s in finance and accounting, master’s in international business and master’s in tourism administration), said Mr. Somashekar.

BU faculty, who conducted the counselling, said that many students opted the M.Sc. Mathematics course.

Munikrishnayya from Hoskote shifted from a master’s in rural development to history while Harikumar, also from Hoskote, traded a seat in MA History at the government college in Chennapatna for the same course in Yelahanka.

As new colleges are in the process of obtaining affiliation to the university, the last date for admissions has been extended to September 16, the BU Registrar said.