sentences:  Nizam-ul-mulk ultimately killed Syed Hussain Ali Khan on 9 October 1720.Syed Hassan Ali Khan Barha with a big army set out to avenge his brother's murder.But Syed Hassan Ali Khan Barha was defeated at Hasanpur near Palwal (Haryana) in 15–16 November in the same year and later he was poisoned to death on 12 October 1722.