For the past week, even at 2 am, Congress MP Jitendra Prasada's home is alive with activity, as senior Congress leaders-Madhya Pradesh chief minister Digvijay Singh, Orissa pcc chief J.B. Patnaik, MP Kamal Nath-pop in and out. Everyone is on edge, in anticipation of Prasada announcing his challenge to Congress president Sonia Gandhi in the party elections early next month.