Guwahati: Prime Minister Dr Manmohan Singh on Monday announced an ad-hoc financial assistance of Rs 500 crore to flood-ravaged Assam, where floods and landslides have claimed 81 lives so far.

The PM made the announcement here after making an extensive aerial survey of flood induced damages in three districts of Assam – Jorhat, North Lakhimpur and Dhemaji — along with the UPA chairperson Sonia Gandhi and Assam Chief Minister Tarun Gogoi.