Kamalesh Chandra Chakrabarty, a deputy governor of the Reserve Bank of India, on Wednesday said India will need to improve its technological infrastructure for retail banking customers if the country is to reach sustainable growth.

"In order to make the dream of growth coupled with inclusion a reality, the Indian banking sector today needs to make a promise, a promise to the customer, especially the small and retail customer, and to the society at large, to make banking transactions faster