The Regional Rural Banks Act, 1976
5. Authorised capital
The authorised capital of each Regional Rural Bank shall be one crore of rupees, divided into one lakh of fully paid-up shares of one hundred rupees each:
Provided that the Central Government may, after consultation with the Reserve Bank and the Sponsor Bank, increase or reduce such authorised capital; so, however, that the authorised capital shall not be reduced below twenty-five lakhs of rupees, and the shares shall be, in all cases, fully paid-up shares of one hundred rupees each.