NK, You are not in the impression that our borders were unscathed until 1990, are you ? Here is a good book to learn about what happened to our border throughout history including during Panchayati ramrajya. Nepal Ko Simana (Border of Nepal) By Buddhi Narayan Shrestha Published by: Bhumichitra Land Development Center, 2002 A Sajha announcement related to the author - http://www.sajha.com/sajha/html/eventdetail.cfm?eventid=241