BSP chief Mayawati could extend her stay in the Capital and also increase the number of rallies and meetings she will hold in the run-up to the Assembly polls, party loyalists said. "She is expected to extend her stay by a day or two, and hold meetings in the constituencies of candidates who are in a winnable position," a senior party leader said on condition of anonymity. She is expected in Delhi on Sunday and will address a rally in Trilokpuri. Senior leaders from UP have also come in and every ward in the Capital is being monitored and covered, sources in Lucknow said.