Investment manager duties: centralized investment decision making, compliance oversight, valuation and disclosure obligations for InvIT operations. The investment manager shall make investment decisions for the InvIT's assets and ensure investments follow the InvIT's strategy and regulation; oversee project manager compliance and obtain quarterly compliance certificates; verify legal titles and enforceability of material contracts for InvIT and SPVs; appoint valuers, auditors and other intermediaries in consultation with the trustee and follow auditor tenure rules; ensure asset valuation, NAV disclosure, annual audit and required filings; manage issuance and listing processes and disclosures; review related party transactions for arm's length treatment; address unit holder grievances; submit required reports to trustee, stock exchanges and the Board; designate a compliance officer; and ensure intermediaries comply with regulations.