IMPHAL, Aug 14: In what could be an act of suicide, a non-local woman jumped into Nambul River from near Kakhulong at 11:30 am today. The woman identified as Usha Devi, 21, w/o Binod Kumar from Bihar and presently staying at Kakhulong is still untraceable. According to her husband, Usha is a mentally ill person who has been on medication for the last few months. She went out from their rented house without informing any family members.