Its the last day of campaigning for the Himachal Pradesh assembly election. The election will take place in all 68 constituencies of the state on Sunday. The big issues are corruption and development. Our correspondent, Shiv Pujan Jha, caught up with the BJP's chief minister, Prem Kumar Dhumal, and the Congress's former chief minister, Virbhadra Singh. And this is how they faced off with each other.