Filing of draft offer document requires lead merchant banker to confidentially submit draft and addendum for rights offering with timelines. Regulation 106G requires the issuer to appoint merchant bankers including a lead merchant banker and, through that lead merchant banker, confidentially file the draft offer document prepared under home country requirements with an addendum containing specified disclosures and prescribed fees; the Board may issue observations within defined timelines, after which the issuer and merchant banker must file revised drafts and updated addenda, and the issuer must file undertakings from the Overseas Custodian and Domestic Depository and ensure the Compliance Officer functions from within India.