Under which act, Maulana Masood Azhar, Hafiz Saeed, Zaki-ur-Rehman Lakhvi & Dawood Ibrahim have been declared as individual terrorists?

The Union Ministry of Home Affairs (MHA) issued a gazette notification stating Jaish-e-Mohammad (JeM) chief and Pulwama terror attack (February 14, 2019) mastermind Maulana Masood Azhar, Jamaat ud Dawa chief and Lashkar-e-Taiba (LeT) founder Hafiz Saeed, LeT's chief operational commander and 26/11 attack key accused Zaki-ur-Rehman Lakhvi and United Nations (UN) designated global terrorist Dawood Ibrahim as individual terrorists under Clause (a) of Sub-section (A) of Section 35 of the Unlawful Activities (Prevention) Act (UAPA), 1967. They are the first individuals to be designated as terrorists under the law.