Railway Minister Piyush Goyal and Shiv Sena leader Sanjay Raut on Sunday engaged in a war of words on Twitter over Shramik special trains from Maharashtra. Piyush Goyal took a dig at Maharashtra Chief Minister Uddhav Thackeray through a tweet, saying the Railways was ready to send as many trains as required to states, provided they do not return empty. Sanjay Raut attacked the central government in reply to the Railway minister.