in quest of the best web sites for collectors
Indian States Stamps
The India Study Circle for Philately
This is the website for anyone interested in Indian stamps, postal stationery, Indian States stamps, revenue stamps and all areas of Indian philately. Membership of The India Study Circle is a great way to learn more about all aspects of Indian philately. It is also an excellent way to buy stamps, covers and all sorts of Philatelic material from other members, and to sell your own surplus material.
Stamps of India
The Hub Site for Philately and Postal History of India.
Album Pages: Indian States
Scanned album pages from the worldwide stamp collection of Antonius Ra.
Postage Stamps and Postal History of the Indian States.
Wikipedia page providing a useful overview of Indian stamps and postal history.
Court Fee and Revenue Stamps of the Princely States of India
Details of a special archival collection at the University of California, Berkeley Library.