The envelop of photo print

This photo negative shows a paper envelop with few writing, it is written in left side corner as "Indian Overseas bank" in English and Hindi languages with logo and addressed as "Central office P.B.No.3765,762, Anna salai, Madras 600002", on top corner it is written as NDC 203 with few sketch marks and in centre it is written as "TODA HUT INSIDE" in capital letters is found near the bank address. Condition of original material: Deteriorated and discolored. Country of Origin: India. Related regions: Tamil Nadu. Related towns/cities: Nilgiris.