hi,

see if you have mathematics or statistics as a subject in your graduation level then you are eligible for many post graduate  courses offers in Indian statistical institute,

if you have statistics as a subject in graduation level, then you can apply for

Master of Statistics [M Stat]

if you have mathematics  as a subject in graduation level, then you can apply for

Master of Mathematics [M Math]

Master of Science in Quantitative Economics [MS (QE)]

Master of Science in Quality Management Science [MS (QMS)]

Master of Science in Library and Information Science [MS (LIS)]

Postgraduate Diploma in Statistical Methods and Analytics [PGDSMA]

Postgraduate Diploma in Agricultural and Rural Management with Statistical Methods and Analytics [PGDARSMA]