New Delhi - Two men suspected of providing some of the phone cards used by the Mumbai attackers were arrested and being questioned in the eastern Indian city of Kolkata, news reports said Saturday.

Times of India online news reported that Tausif Rehman was arrested in Kolkata, while Mukhtar Ahmed Sheikh was arrested in Delhi Friday.

Sheikh, who hails from Jammu and Kashmir, had been living in Kolkata for some time, the report said.

Both men are believed to be part of a racket where more than 20 SIM cards for mobile phones were procured using fake documents in the second week of October, NDTV television channel reported citing police sources.

Proof of identification and residential addresses have to be provided in India to procure a SIM card.

The arrests came after a tip from the Mumbai police that one of the SIM cards used by the terrorists came from Kolkata, the report said.

Ten gunmen, who the police say arrived by a sea route from the Pakistani port city of Karachi, unleashed terror in Mumbai for almost 60 hours beginning December 26 night.

At least 170 people were killed and 300 injured as the terrorists targeted luxury hotels, a railway station, a hospital and a Jewish centre among other targets.

Several mobile phones were found on the terrorists, nine of whom were killed by Indian security forces, local media reports have said quoting police sources in Mumbai.

One of the terrorists was captured and is being interrogated. (dpa)