Lead manager post-issue duties include monitoring investor grievance redressal, coordinating processing, reporting failures and managing underwriter devolvement. Lead managers retain responsibility through completion of the issue process and thereafter, including monitoring investor grievance redressal, coordinating with registrars and intermediaries to track application flows and ASBA processing, overseeing allotment, dematerialisation, unblocking of ASBA accounts or refunds and listing, and reporting any intermediary omissions to the Board; they must also ensure issuance of devolvement notices to underwriters and submit information on underwriters who fail to meet devolvement obligations.