"The raids relate to two companies - Brisk Infrastructure and Developer Pvt Ltd, and Corporate International Financial Services Pvt Ltd - run by Gahlot and his family members," Income Tax Department spokesperson Subhi Ahluwalia told IANS.
Gahlot holds the portfolios of Transport, Law, Revenue, Information Technology, and Administrative Reforms in the Delhi Cabinet.
The raids are going on at various locations, including Vasant Kunj, Paschim Vihar, Najafgarh and Gurugram.
"Friendship with Nirav Modi, (Vijay) Mallya, and raid on us? Modiji, you conducted raids on me, Satyendar (Jain) and Manish (Sisodia) as well. What happened to that? Did you get anything? You got nothing. At least apologise to Delhi before conducting another raid on its elected government," Delhi Chief Minister Arvind Kejriwal said in a tweet in Hindi.
"Political vendetta continues... we are giving cheap electricity to the people, free water, good health and education services to the people. We are also delivering government services at people's doorsteps. And they are forcing CBI, ED to conduct raids at the residences of our ministers and leaders. The public is watching everything and will give a reply in 2019 polls," the party tweeted.
(With inputs from agencies.)