In 1967, Ariff started his legal practice at the
Calcutta High Court in
Kolkata,
India. In 1970, Ariff began practing law in
Dhaka after moving to
East Pakistan. Ariff represented the
Bangladesh Nationalist Party government in a case to close down
Ekushey Television on 29 August 2002. From January 2008 to January 2009, Ariff served as the legal advisor to the
Fakhruddin Ahmed led
caretaker government. Under him, the Attorney general's office prosecuted high profile corruption cases against former Prime Ministers
Khaleda Zia and
Sheikh Hasina. He represented the caretaker government in negotiating with Khaleda Zia in November 2008 to ensure participation in the next parliamentary elections. In January 2018,
Bangladesh Judicial Service Association criticized Ariff for signing a statement critical of the lower court judges disciplinary rules in relation to the
Secretary, Ministry of Finance v. Masdar Hossain case. Ariff was an advisor to the
Dhakeshwari National Temple Complex. == Personal life and death ==