When Ilbars threatened to make a counter-attack Nader ordered hostilities to cease despite his son's successes and later returned victoriously from Delhi to embark on a decisive campaign himself.

[3] In 1734-35 Ilbars Khan sent a large party of Turkmens in a raid against Khorasan, where they plundered Chameshgazak Kurds in the regions of the Ala Dagh mountain and Samalqan, but then were defeated by the Persian army.

In 1737, when Reza Qoli Mirza Afshar, son of Nader Shah and viceroy of the Empire, marched against Bukhara after having subdued the rulers of Balkh and Andkhui, Abu al-Fayz Khan, the ruler of Bukhara, appealed for help to Ilbars Khan, who set out to Transoxania with his army but turned back halfway, apparently in fear of confrontation with Reza Qoli.

After these preparations, the Persian army, under the command of Nader Shah, headed to Bukhara where the assault was immediately begun, despite the fatigue of the journey.

[2] Ilbars Khan, besieged in the city of Khanqah, surrendered to Nader Shah and was executed together with twenty or more of his amirs (according to some accounts, they were buried alive).