The correct option is A SIDBI
Small Industries Development Bank of India (SIDBI): Established as wholly owned subsidiary of IDBI and SIDBI Act 1989. Its headquarters is in Lucknow. It has 5 regional and 21 branch offices across the country. It is the principal financial institution for, promotion, financing and development of industries in the small scale sectors. It also co-ordinates the agencies which provides finance to small enterprises.