Pradeep, if the documents are ancient, then as Gerard says, getting in
touch with the GLAM is the best way forward.
--
Regards,
Srikanth Ramakrishnan.
Wikipedia Coimbatore Meetup on February 12th.
http://meta.wikimedia.org/wiki/Meetup/Coimbatore
Aliens invaded Tamil Nadu, left their Spacship and now it is a Toll Plaza.
https://commons.wikimedia.org/wiki/File:IVRCL-Vijayamangalam-Toll-Plaza.JPG