Hello Meghna,
As according to your query you seem to be intrested in persueing B.Sc in Biotechnology , so let me tell you the good news that fees of this course is not very much that you can't afford of, the fees for this course is in average range likewise you can say it can vary from 50,000 to 70,000 per year at its maximum. So you don't have to take much load of the fee amount.
As you also have asked about the placement regarding this course, so i would like to inform you that Biotechnology is also a branch of medical sciences, and here the scope of getting jobs in Medical Science related field is increasing day by day, Specially in Pharma sector. So, if you focus in your studies more than average then definitely you will secure a seat in a good pharma companies.
Hope you will find it relevant.
Feel free to ask further queries.