Mumbai, April 26 -- Shiv Sena chief Uddhav Thackeray will accompany Prime Minister Narendra Modi when he files his nomination form for the Varanasi Lok Sabha constituency on Friday. Thackeray, who is campaigning in Pune district, will fly to Varanasi on Thursday night. He will be accompanied by party secretary Milind Narvekar. Sena chief Uddhav Thackeray (third from left) with Amit Shah when he filed his nomination; Yuva Sena chief Aaditya Thackeray in Dahanu on Thursday....