hi heshica,

Yes you have this option at iiser pune.

The IISER Pune BS-MS course aims to integrate the conventional bachelors and masters programs into a more holistic science education experience.
The program aims to train some of the brightest young minds of our country, through some of the best practitioners of science in India.

Admission in IISER

SCB Channel
Students who have passed 12th class with science stream in 2018 or 2019 are eligible to apply for admissions and appear for IAT.
However, they will be considered for admissions to the degree programmes only if they obtain the cut-off marks specified for their board.
Students applying through SCB channel will have to appear in the IISER Aptitude Test (IAT) which will be conducted at various centers across the country.

JEE-Advanced Channel
Candidates in General category securing a rank within 10000 in the Common Rank List (CRL) of JEE Advanced are  eligible to apply. For candidates belonging to the reserved category (OBC-NCL, SC, ST, PD), their category rank
should be within 10000.Additional cut-off criteria i.e. marks obtained in 12th examin is also applicable.

KVPY Channel
Candidates having a valid KVPY fellowship commencing from 2019-20 academic session are eligible to apply
for admissions.

hope this answer will helps!!

all the best for the future!!