Exam

Yes, you can take direct admissions.

Refer to this mentioned link below. This link will help you in process of admission and dates too:
Link-https://www.shiksha.com/university/andhra-university-visakhapatnam-2948/admission

For M.Sc. In Chemistry from IIT, IISER, NIT etc. , online entrance exam is conducted in February Month ! IIT JAM is an entrance exam for M.Sc. In Chemistry from IIT, NIT, IISER, NISER etc.

Top private college in Pune:
MIT WPU
MIT Alnadi
MIT Loni
Dy Patil Akurdi
Dy Patil Pimpri
VIT Pune
BVP Pune
SIT Pune
Singh College of Engineering
Ajeenkya Dy Patil

In counseling you will be given choice of college as per your rank. You have to deposit fee and book your seat in the given list of colleges.

The exam pattern for all the streams is same. Just go through previous year sample papers.

As per the eligibility criteria of CAT-2019 for General and OBC-NC, The candidate must hold Bachelor's Degree with at least 50% marks or equivalent CGPA. Candidates in final year of Graduation are also eligible to apply for CAT 2019. So as per above criteria you must have 50% marks at graduation level. So, if you are in final year than try to score above 59% of marks in order to become eligible for CAT exam.

Entrance exams papers are available online and in university library also. Many sample papers are available in the market also.

They are basic and general grammar questions. Please see some sample papers for reference.

Generally, the CLAT examination is conducted in May and the registrations get completed by March or April.