| Religion: | Islam |
| Background: | Green |
| Honorific Suffix: | Sufi |
| Birth Date: | 928 A.H/1521 A.D |
| Birth Place: | Srinagar |
| Nationality: | Kashmiri |
| Parents: | Mir Hassan Ganai |
| Denomination: | Sunni |
| Jurisprudence: | Hanafi |
| Main Interests: | Aqidah, Hadith, Fiqh, Sufism, Philosophy, Theology, Poetry |
| Sufi Order: | Kubrawiya |
| Death Date: | 1005 A.H/1595 A.D |
| Death Place: | Zaina Kadal, Srinagar |
| Influenced: | Ahmad Sirhindi, Khawaja Habibullah Nowshehri |
| Influences: | Mir Sayyid Ali Hamadani, Shaykh Kamal Ud Din Hussain Khawarizmi |
| Sheikh-ul-Islam | |
| Children: | Muhammad Yusuf |
Hazrat Ishan Hazrat Shaykh Yaqub Sarfi Kashmiri (1521–1595), popularly known as "Ishan Sahib" was a Kashmiri Alim, Mutasawif, Faqih, poet, author, artist, Mufassir, Muhaddith, philosopher and Sufi Shaikh of the Kubrawi Hamadani order.[1]
Yaqub born in Srinagar to Mir Hassan Ghani, who was also a scholar. At the age of six or seven he memorized the Quran and started composing its verses in Persian. At nineteen he completed his education under Mawlana Bashir and Mawlana Aini, and he later became the student of Mawlana Abdur Rehman, an Iranian Sufi and poet. Jami gave him the title "Jami-as-Sani" (second Jami), when he got impressed by Sarfi. He then travelled to Central Asia where he received spiritual guidance under Shaykh Kamal Ud Din Hussain Khawarizmi. They both went for pilgrimage (makkah) and he joined the seminar of Ibn Hajar, where he sharpened his knowledge of Quran and Hadith. And after returning from Makkah to Delhi, he met with Mujadid i Alf-i-Sani Sahykh Ahmad Sirhindi and gave him "Ijazat namah" of sacred hadiths and "Irshad namah" of Kubrawi Hamadani order. Badhauni mentioned him in connection of Ibaadat khana.[2] [3]
At the age of 25 he married and had a son named Muhammad Yusuf who died at early age.[7]
When Shaykh Yaqub left Lahore for Kashmir and didn't go back to court again, on 08 Dhul Qadah 1003 AH/1595 A.D. Badhayuni Paid him warm tribute on his death by following chronogram: "He was the Shaykh of the nations". He was buried in Zaina Kadal Srinagar.