The operations started simultaneously at the Balaji Telefilms offices in Andheri, studios, residences of top officials in Juhu and their offices on Linking Road, Andheri.
Balaji Telefilms, one of the well-known production houses, is owned by Ekta Kapoor who is facing the probe, besides her actor brother Tusshaar Kapoor, and their father, yesteryears star Jeetendra.
Though officials remained tight-lipped, reliable sources said that the search operations pertain to alleged concealment and reported mis-declaration of income and profits.
Photos: Swara Bhaskar, Sonali Kulkarni at Jagran Film Festival awards
Pics: Shahid Kapoor's transformation from chocolate boy to hottie
Photos: Kareena Kapoor Khan and Aamir Khan at Mumbai airport
Photos: SRK, wife Gauri, Aishwarya Rai, Shweta Bachchan at Vogue Awards
Photos: Harbhajan Singh-Geeta Basra's TV outing with daughter Hinaya