Congress MP Shashi Tharoor on Saturday grooved and danced to a Mizo song with state Congress president Lalsawta on a stage in front of a massive audience at Vanapa Hall in Mizoram's Aizawal. In a video posted by the news agency PTI, Tharoor can be seen dancing to the song ‘Di Ruk Te’ sung by popular Mizo singer Sangtei Khuptong. …