New Delhi, Sept. 29 -- As the Congress tries to rebrand itself as champions of social justice, the party's Uttar Pradesh unit has planned an outreach to caste groups in a bid to revive the party in one of India's toughest electoral battlefields. Starting from mid-October, the party unit will organize 13-15 conventions, each targeting a specific caste group such as Maurya, Kushwaha , Pasi and Nishad, Patel Lodhi, general secretary in charge of UP, Avinash Pandey told HT. To be sure, the Congress' revival in the largest electoral state is easier said than done. In the post-Mandal Commission era, Congress' traditional votebase has been eaten up by Samajwadi Party, Mayawati's BSP and the BJP. The party has not had a chief minister in UP since December 1989 and unlike Bihar, where the party has managed to be a party of the ruling coalition, it's been totally out of power for the past 36 years. Congress leaders admit that the long absence from power has affected its organisation and resources. Pandey said the party is in weekly markets or local fairs and locating families of freedom fighters to build up the organisation....