Sholay is the remake of Magnificent Seven, which is a remake of Chinese (or) Japanese Saven Samurai... But since Ramesh Sippy was not asked by those owner for copy right violation. In case of RGV, he was asked by Ramesh Sippy for the same, because he already sold Sholay copyright to whooping 100 crore to UTV. When you have limitations in any project (not only related to movies) and you are almost on the verge of completion, it's very hard to come up with a product which everyone likes.