Original sentence: According to Indian authorities, Kashmiri militants are sponsored by Pakistan; an allegation which Islamabad strongly denies.India claims most of the separatist militant groups are based in Pakistan and Pakistan-administered Kashmir (also known as Azad Kashmir).India says that over the last two years, an insurgent group, Lashkar-e-Toiba has split into two factions: Al Mansurin and Al Nasirin.Those dead include civilians, Indian security forces, Kashmiri and non Kashmiri Islamic insurgents
Edited sentence: According to Indian authorities, Kashmiri terrorists are sponsored by Pakistan; an allegation which Islamabad strongly denies.India claims most of the separatist terrorist groups are based in Pakistan and Pakistan-administered Kashmir (also known as Azad Kashmir).India says that over the last two years, a terrorist group, Lashkar-e-Toiba has split into two factions: Al Mansurin and Al Nasirin.Those dead include civilians, Indian security forces, Kashmiri and non Kashmiri Islamic terrorists