Aam Aadmi Party chief Arvind Kejriwal today launched his three-day yatra in the politically significant Uttar Pradesh with a focus on Lok Sabha election, due by May. Mr Kejriwal's 500-km rally, which started from the party office in Kaushambi in Ghaziabad this morning, will cover over 15 Lok Sabha seats in the state. NDTV's Sonal Mehrotra brings this report from Hapur.