Mushtaq Ahmed Zargar, who was involved in a series of terror attacks in Jammu and Kashmir and was one of the released terrorists in the hijacking of Indian Airlines flight IC-814 in 1999, has been designated as a terrorist by the Union government.
Gul is the sixth individual to have been designated as a terrorist by the Centre in the last fortnight.
Nengroo is the fifth individual to have been designated as a terrorist by the Centre in the last fortnight.
Three students were on Wednesday taken into custody in Pakistan in connection with the Pathankot attack.
A day after the National Investigation Agency filed a chargesheet against Jaish-e-Mohammed chief Masood Azhar in the Pathankot attack, India took on Pakistan at the United Nations and called on the hostile neighbour to leave behind its ways of terrorism, with the warning saying that, "what you sow will bear fruit".
The National Investigation Agency on Monday filed a chargesheet in the Pathankot airbase terror attack, naming Pakistan-based Jaish-e-Mohammed chief Masood Azhar and three others of his organisation as accused.
An National Investigation Agency court in Punjab on Tuesday issued proclamation notice against Pakistan-based terror outfit Jaish-e-Mohammed's chief Maulana Masood Azhar and three others, asking them to appear before it on March nine in connection with last year's brazen attack on Pathankot IAF base.
The special court issued the arrest warrant after weighing the evidence presented by the NIA.