New Delhi, June 08: Top leaders of the Opposition INDIA bloc on Monday began deliberations here to forge unity and rework their strategy to take on the BJP, while ironing out differences within after the defeat of regional outfits like the TMC and DMK in the recent assembly polls. Opposition leaders including Sonia Gandhi, Rahul Gandhi and Mallikarjun Kharge from the Congress, Mamata Banerjee from the Trinamool Congress, Akhilesh Yadav of Samajwadi Party, Tejashwi Yadav of RJD, Omar Abdullah of National Conference and Mehbooba Mufti of PDP, besides Left leaders attended the meeting at the Constitution Club in the national capital. NCP(SP) leader Supriya Sule, CPI(M)'s John Brittas, CPI's D Raja and leaders of some smaller parties were also part of the deliberations.