Shelf prospectus eligibility limits which issuers may use streamlined filings; tranche prospectus must be filed with exchanges and regulator. Regulation 41 allows specified classes of issuers to file a shelf prospectus for public debt issuance, subjecting certain NBFCs and HFCs to net worth, profitability, credit rating, regulatory non action and non default criteria (with a cure proviso). Issuers must file each tranche prospectus with stock exchanges and the Board upon filing with the Registrar, and the shelf prospectus must contain Schedule I disclosures, applicable Companies Act disclosures, and any additional Board specified disclosures; tranche prospectuses must state issue details and material changes to prior information.