Many thanks to Kasinath for sending me this cover. It is the FDC of the Minicoy Lighthouse issued on 02.02.1985. Kasinath fixed additional stamps on the reverse of the cover and posted the cover to me. I have been looking for a cover with this stamp for so long and now my efforts have paid dividends.
Kasinath has a interesting blog him self titled "My Watercraft Philately" http://shipthemegallery.blogspot.com/