TNPETRO Tamil Nadu Petro Products Ltd Management Changes Announcement 2023 - Appointments Tamilnadu Petroproducts Ltd. has appointed M/s. M Krishnaswamy and Associates as the Cost Auditor for the Financial Year 2023-24..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Tamil Nadu Petro Products Ltd