Patiala [India], Feb. 4 : Polling began in Punjab amid heavy security on Saturday morning, with 1,145 candidates contesting across 117 seats, and will conclude at 5 p.m. Key contests today feature a direct fight between chief ministerial aspirants Parkash Singh Badal, 89, and Captain Amarinder Singh, 75, of the Congress in Lambi and a mega battle in Jalalabad between Sukhbir Badal and Bhagwant Singh Mann, seen as AAP’s leading contender for chief minister if the party wins. It will be a three-cornered contest this time around.