New Delhi [India], March 9 (ANI): In a whirlwind campaign ahead of Lok Sabha polls, Prime Minister Narendra Modi on Saturday held rallies in three eastern states i.e. Arunachal Pradesh, Assam and West Bengal and also held a late-night roadshow in Varanasi. He also held prayers at the Kashi Vishwanath Temple today. PM Modi is on a three-day visit to the four states of Assam, Arunachal Pradesh, West Bengal and Uttar Pradesh, which began on March 8. Laying the foundation stone for a bouquet of development projects for the Northeast in the state capital, Itanagar, Prime Minister Narendra Modi on S…