The correct answer is (b) 27%.
The Reserve Bank of India (RBI) is the central bank of India. It was established on April 1, 1935, in accordance with the Reserve Bank of India Act, 1934. The RBI is responsible for formulating and implementing monetary policy, regulating the financial system, and providing banking services to the government and to other banks.
The RBI publishes a number of reports and statistics on the Indian economy. One of these reports is the “Statistical Tables Relating to Banks in India”. This report provides data on the number of branches of banks in India, by type of bank and by location.
The data for the year 2012 shows that there were 104,944 branches of banks in India. Of these, 28,722 were rural branches. This means that the percentage of rural branches of all kinds of private, public sector commercial banks including Regional Rural Banks as on 30/06/2012, according to R.B.I, was approximately 27%.
The other options are incorrect. Option (a) is incorrect because it is less than the actual percentage. Option (c) is incorrect because it is more than the actual percentage. Option (d) is incorrect because it is not a valid percentage.