Hii aspirant
Hope you are doing well
There. Are lots of colleges providing bsc biotechnology and fee structure differs for every College
There are excellent colleges with good placement record in past couple of years in and around Kolkata for B.sc Biotechnology as well
The list of some of good colleges with fee structure are mentioned as below

• Calcutta University : 200000
• Makaut : sakt lake city
• Adamas University : 300000
• Guru Nanak Institute :- 250000
• JIS university : 200000
• Brainware university: 250000
• St Xavier's College : 300000
• Techno India university
• Neotia university 350000
• Amity University : 350000
• Institute of generic engineering :250000
• Sister Nivedita university :250000
• Swami Vivekanand institute :150000

hope it helps