These 4 Heritage Railway Stations are
1) Howrah (Kolkata) Railway Station
2) Chennai Chentral Railway Station
3) Mumbai CST Railway Station
4) Old Delhi Railway Station.
Individual stamp sheets of these 4 Railway Stations were also released.
These 4 Railway Stations have excellent articectural heritage and craftmanship of 19th Century.
In my collection i have a piece of this Heritage Railway Stations of India Miniature Sheet. Also i have 4 Maxim cards of these stations with relevant stamp cancellation.
This is Heritage Railway Stations of India Miniature Sheet.
This is Howrah Railway Station maxim card.
This is Chennai Central Railway Station Maxim Card.
This is Mumbai CST Railway Station Maxim Card.
This is Old Delhi Railway Station Maxim Card.