First, he served as the prefect of the Bakhtiari tribe for a lengthy period (darughah-ye il-e Bakhtiyar).

Later, he held the post of "master of the hunt" (mīr shekār-bāshi) and was given the governorship of Abhar (Soltaniyeh).

During his governorship in Shirvan, Khosrow participated in the successful Safavid offensive during the Russo-Persian War of 1651–1653, which resulted in the Russian fortress on the Iranian side of the Terek River being destroyed and its garrison expelled.

To denote that he was a convert, in the then contemporary sources Khosrow was referred to as being "new to Islam" (jadid ol-eslam).

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