1.Cover to Indonesia :
Few years back I have sent this cover to my friend in Indonesia.
India post issued these vulnerable birds stamps in the year 2017. There are 3 stamps in the series. Nilgiri Wood Pigeon, Broad Tailed Grass Warbler and Nilgiri Pipat. You can see another stamps depicting " The Poona Horse Regiment of Indian Army" , also published in the year 2017.
India post had also printed miniature sheets of Vulnerable birds.