Hello Bipasha

You will be eligible for MSc phD integrated program at iiser pune of you will secure minimum 60%  marks ( aggregate marks not majoring subjects ) in your bsc hons zoology.

Those candidates are eligible fir getting a seat for integrated msc ph D who have secured minimum 60% marks in bachelor's  or equivalent degree in physical, chemical or Biological Sciences ( including pharmaceutical,  veterinary Sciences, biotechnology and agricultural Sciences) or BE degree from reputed university .

Above criteria holds for msc , phD dual degree Course.

The IISERs demands applications from the top 500 students of JAM and JEST, so if you are eligible for these tests there is no matter that which subject you are graduated but Candidates must have a relevant postgraduate degree or be in the final year of their undergraduate studies in specific field.

more or less (different IISERs have different criteria on the eligible ranks). They call them for a written and interview/ just an interview, depending on the IISER concerned. The final merit list also has varied number of selections. IISER Pune takes 5–10 students. IISER Kolkata takes about 20 students. And so on.they also have IISER Aptitude Test (IAT) for candidates who are not given jam.

For TIFR has its own written entrance examination called TIFR Graduate Studies (GS) Exam.

So, prepare properly and give the TIFR, JAM and JEST exams with your full potential. Be totally yourself at the interview and your dreams will surely come true.