Farook was unanimously elected as chairman of the 58- member Upper House in May this year.
Hailing from Nandyal in Kurnool district, Farook had been an MLA for three terms and served as a minister in the Cabinets of N T Rama Rao and Chandrababu Naidu in united Andhra Pradesh.
He also served as Deputy Speaker of the AP Legislative Assembly.
The chairman's post was vacant following the retirement of incumbent A Chakrapani in May.
Legislative Affairs Minister Yanamala Ramakrishnudu and other senior members of the council congratulated Farook on assuming charge.