What do you mean by ODB and ADR.
Overseas Depository Bank(ODB) is a bank that issues depository receipts outside India. It is a bank which is permitted by the issuing company to issue ADR against the issue of ordinary shares of the issuing company
American Depository Receipt(ADR) is a negotiable instrument issued by a US bank that represents specific number of shares in a foreign company that has been purchased and sold in US stock market.