What is the role of Brig. J.R. Peter in this process?
The role of Brig. J.R. Peter in this process is not explicitly mentioned in the given context. However, considering his position as Director Land Records & Survey (Ex-Officio) West Bengal, India & Director, Eastern Circle Survey of India, Calcutta, it can be inferred that he might have played a significant role in the joint ground verification during field season 1996-97. His expertise and experience would likely have been valuable in managing and overseeing this process.