Former Lok Sabha Speaker Meira Kumar who is the opposition candidate against NDA nominee Ram Nath Kovind,will file her nomination for presidential election tomorrow at Parliament House. Tomorrow is the last date of filing of nomination papers for the election. Senior leaders from the opposition parties including Congress, CPI(M), RJD and BSP are likely to remain present on the occasion.<br/> Earlier in the day, briefing reporters in New Delhi, Mrs Kumar said she will contest the election on the basis of ideology and not caste. She also rejected the perception that this Presidential election is Dalit versus Dalit. She said in the past, several candidates from upper caste were pitted against each other but no one highlighted their castes. <br/>The former Lok Sabha speaker said there is a need to remove the caste structure and caste based politics and this election should not be turned into a Dalit fight. Responding to External Affairs Minister Sushma Swaraj's allegation that she was repeatedly interrupted during a debate by Ms Kumar, she said her style of conducting the House was appreciated by all and no one charged her with acting in a biased manner.She said she was selected unanimously by 17 major political opposition parties to be their candidate in Presidential election. Ms Kumar said the unity and coming together of these political parties is based on their shared democratic values, inclusiveness, social justice, freedom of press, and transparency. She said two days ago, she wrote letters to all members of collegium requesting them for their support.<br/>