Special Cover 2017 – Okhla Bird Sanctuary – By India Post March 6, 2017 | 0 Comments | Categories Birds, Covers, Delhi, Fauna, Philatelic Covers, Philatelic Items, Pictorial Cancellations, Special Cancellation, Wild Life/Animals/Birds | Tags Asian Philately, Indian Philately, Indian Stamps, Okhla Bird Sanctuary, Philatelic Cover, Special Cover 2017, Special Cover 2017 - Okhla Bird Sanctuary - By India Post, Stamps Of India Special Cover 2017 – Okhla Bird Sanctuary – By India Post Date Of Issue:-20.01.2017