Sehrai commissioned articles, took care of its design as well as printing and also wrote for the column called Safa-e-Pakistan which covered the events happening in Pakistan.
He and Syed Ali Shah Geelani dedicated a special issue to Allama Iqbal in which they both wrote lengthy columns against Kashmiri socialists and a writer called Ashia Bhat while also defending the magazine and Jamaat-e-Islami, after the magazine's claim of Iqbal not being a socialist led to a controversy.
After clearing his secondary examination, he moved to Uttar Pradesh where he received a Bachelor of Arts (Hons) in Urdu from Aligarh Muslim University.
[21] Sehrai personally led his funeral prayers attended by about 300 people despite the lockdown due to the coronavirus pandemic.
[14] In August 2003, JeI removed Geelani from the position of head of its political bureau after he started having differences with the moderate wing of All Parties Hurriyat Conference, and appointed Sehrai in his place.
[25] After the JeI expelled Geelani following the formation of his own Hurriyat Conference party due to opposition to a dialogue with the central Indian government, Sehrai also left the group and was appointed as the general secretary of the Tehreek-e-Hurriyat in 2004 during its foundation.
[27] Following the 2016–2017 Kashmir unrest, the National Investigation Agency published a report to address his involvement in issuing protest calendars and carrying out anti-India activities.
Later in July 2020, he was arrested from Barzulla Baghat area of Srinagar by the Jammu and Kashmir Police under the Public Safety Act.
[34] His family had submitted three applications to the high court requesting for his medical examination and treatment at Government Medical College, Srinagar or Jammu after he started falling ill, however his son Rashid alleged that the judge delayed the review of the submitted requests until his health deteriorated in jail week before he died in May.
[11] Sehrai had been arrested under the Jammu and Kashmir Public Safety Act in July 2020 and had been serving his sentence in Udhampur district jail.