The role of the regional parties in the formation of the next government in Delhi is crystallising. The Trinamool National Congress [TNC] led by Mamata Banerjee has spoken loud and clear. No ambiguity here. Mamata is dead against a BJP government, will only support a Congress-led or Congress-backed government and is confident of a key role in the making of India's next leadership. Read MK Bhadrakumar's column on Rediff.com.