Tata Power Company Limited has reported the loss of multiple share certificates, prompting holders to request duplicates. A notice has been issued advising anyone with claims on these security certificates to contact the company within 15 days. The affected certificate details include those belonging to shareholders like Jayashree Jagannath Pednekar and Perviz Dara Olpadwalla. Duplicate certificates will be processed if no claims are made within the specified timeframe.