What is "bhishti"

The Bhishti ( Hindustani: भिश्ती, بهِشتی) are a Muslim tribe or biradari found in North India, Pakistan and the Terai region of Nepal. They are also known as (Shaikh Abbasi) Dhund Abbasi and Saqqa, and use Sheikh Abbasi, or Dhund-Abbasi, as a surname. In Maharashtra, the tribe is often referred to as Pakhali. The Sheikh Abbasi belong to Arab Tribe ( Banu Abbas). The title character of Rudyard Kipling's poem " Gunga Din" is a Bhisti.