That Lone's elevation is expected to have some bearings on separatist politics has become clear with Chief Minister Mufti Mohammed Sayeed today saying that he has "given an opening, an avenue for others (separatists) to follow".
Born on December 9, 1966, Sajjad is the younger son of Hurriyat leader Abdul Gani Lone who was assassinated on May 21, 2002 by militants in Eidgah ground of downtown Srinagar.
He parted ways with his brother Bilal Gani Lone in February 2004 to float his own faction of People's Conference founded by his father.
The healthy turnout in the 2008 Assembly elections, which were held immediately at the end of the Amarnath Land row agitation that left 60 people killed, brought a change of mind in Sajjad, who called on the separatists to review their strategy for being heard in Delhi.
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"I will take the problems of Kashmiri people to the Indian parliament," Sajad had said but was defeated by the National Conference candidate Sharifuddin Shariq.
The 48-year-old, who married daughter of Jammu and Kashmir Liberation Front founder Amanullah Khan from Pakistan, spent the next five years to galvanise his party cadres.
He gave a miss to the 2014 Lok Sabha polls himself but fielded a candidate from the north Kashmir constituency who lost.
Sajjad was elected to the state assembly from Handwara assembly constituency in the elections held in 2014. He defeated sitting minister Chaudhary Mohammad Ramzan of National Conference and his one-time "proxy" Ghulam Mohiuddin Sofi, who contested on a PDP ticket.