In Goa, campaigning of various political parties is in full swing ahead of the State Assembly polls on Saturday. The election rallies of the prominent leaders of various political parties are being held in different constituencies. There are 215 candidates left in the fray for 40 seats locked mostly in the multi-cornered contests.Senior BJP leader Mr. Venkaiah Naidu has been campaigning for his party. The Prime Minister Dr. Manmohan Singh is scheduled to address an election rally at Sanquelim in North Goa later in the evening today. Assembly Elections would be between the ruling Congress-Nationalist Congress Party alliance and the Bharatiya Janata Party and Maharshtrawadi Gomantak Party combine.