An insured person who adopts the mode of paying premium in cash as a regular measure will be supplied by the Department with a premium receipt book in which entries relating to payment of each premium shall be made. The Postmaster receiving the monthly premiums will grant a receipt for the amount in this book. When the Book is filled up and has no further space for entries, it should be forwarded to the Postmaster/ Manager of Central Processing Centre (GPO/Head Post Office) who after verifying the entries will arrange to issue a new Book in which it will be noted, under his signature, the month up to which premia have been paid. In the event of a premium receipt book being lost, the insured person should apply, through the nearest Post Office (Head or Sub or Branch), to the Postmaster/ Manager of the Central Processing Centre (GPO/Head Office) for a duplicate premium receipt book stating in his application the circumstances under which the original book was lost along with th