The groups under investigation are: Bashundhara Group, Beximco Group, S Alam Group, Nabil Group, NASSA Group, Orion Group, Sikder Group, Aramit Group, Summit Group, and Premier Group. Premier Group:Team led by Deputy Director Sharif, assisted by Deputy Director Mostafizur Rahman, Assistant Director Azgar Hossain, and Assistant Sub-Director Sabrina Zaman. NASSA Group:Led by Deputy Director Md Rauful Islam, with Assistant Director Sohakul Islam and Md Abdul Malek. Former land minister Saifuzzaman Chowdhury and associates:Initially led by Deputy Director Md Gulshan Anowar, now under Deputy Director Moshiur Rahman. Sikder Group:Director Md Manzur Morshed leads with Assistant Directors Md Ashiqur Rahman and Md Kamiab Aftahi Un Nabi.
