Name the bank which is among the top RRB performer in the country.

Tripura Gramin Bank is among India's top three Regional Rural Banks (RRBs) in terms of profit, business, and growth. Currently, India has 45 Regional Rural Bank out of which Tripura Gramin Bank ranked 3rd in the country. Tripura Gramin Bank has posted a profit for 7 successive years to Rs 125.45 crore in fiscal 2018-19. The Bank also registered the business of Rs. 9,000 crores, with net Non-Performing Asset (NPA) of zero percent and gross NPA of 8.94 percent. In Tripura Gramin Bank, the central government has a 50% stake, the Union Bank of India has 35% stake and rest 15% is held by the Tripura government. Tripura Gramin Bank is the only RRB in the north-eastern region out of eight, which has been making profit to 7 successive years.