Kotak Mahindra Bank Limited (KMBL) Kotak Mahindra Bank Limited (KMBL), one of India's leading commercial private sector banks, acquired 100% equity share capital of Sonata Finance Private Limited (“the Company”), making the Company its wholly-owned subsidiary. Post-acquisition, the Company is now exclusively providing its services as the Business Correspondent partner to KMBL. The Company is facilitating the extension of microfinancing through various financial products as per the requirement of the borrower.