HDFC Bank Ltd., (HDFC), is the Custodian of the IL&FS Mutual Fund (IDF)

Custodial Services, part of the Bank's Wholesale Banking division, has always been an integral aspect of the organization. HDFC Bank was the first bank to be appointed Custodian for National Stock Exchange. The Bank’s experienced staff, vast branch network and technological strength, supported by high operating standards which are SOX and ISO 9001:2008 compliant, has ensured consistent growth of this division.

The Bank is a preferred service provider to a large client base comprising of Mutual Funds, Insurance Companies, Banks, Financial Institutions, Foreign Portfolio Investor (FPI), Foreign Corporate Bodies, Venture Capital Funds, Foreign Venture Capital Investors, Provident Fund Trusts and many others.

Source:
 http://www.hdfcbank.com/wholesale/fit/financial_institutions/custodial_services/custodial_service.htm