Hi Tanaya,
Indian Statistical Institute is a very reputed institution in India. This institute comes under the central government. Also this institute offers various courses in Bachelor's as well as Master's program in their various state branches. To be precise ISI offers courses in B Stat (Hons), B Math (Hons), M Stat, M Math, MS (QE), MS (QMS), MS (LIS), M Tech (CS), M Tech (QROR), PG Diplomas and Research Fellowships at its various campus like  ISI Kolkata, ISI Delhi, ISI Chennai, ISI Bangalore, ISI Hyderabad, ISI Tezpur, ISI Giridih. So yes they don't just have Bachelor's program they also provide a degree in Master's

Good luck