"Four terrorists have been arrested by us. One of them has been identified as Waqas," Special Commissioner (Special Cell) S M Srivastava said.
Waqas, a Pakistani, was wanted by police in connection with several blasts in the country including the serial blasts at Zaveri Bazaar in Mumbai on July 12, 2011.
Sources said those arrested were operating from Jodhpur in Rajasthan and planning a big strike during the upcoming Lok Sabha elections.
Police have also recovered large quantity of incriminating material from those arrested in the caseThe arrested men were identified as Waqqr Azhar, Mahroof, Mehraj and Saquib.
Police said they have received intelligence inputs that some operatives are planning terror strikes during the general elections.
With a joint operation by the Rajasthan Anti Terrorism Squad and the special cell of Delhi Police, Azhar, Mahroof and Mehraj were arrested from Jaipur, and Saquib from Jodhpur.