Partha Chatterjee was arrested by ED on Saturday

Partha Chatterjee is a trusted lieutenant of TMC supremo Mamata Banerjee and ranks third in party leadership after her and nephew Abhishek Banerjee.

Chatterjee, 69, was the education minister during 2014-21, the period in which the alleged scam took place

Visuals have also surfaced of piles of cash amounting to over Rs 20 crore from the house of a close aide of Chatterjee, further damaging his standing both in public and in the party

Partha Chatterjee has been into politics for five decades. He stepped into politics as a leader of Congress students' wing —Chatra Parishad— in late 1960s during his college years.

Chatterjee's political career halted after he decided to take up a high-profile corporate job in the mid-1970s.