Plain clothed police surround a vehicle which was damaged at the site of an explosion in the Dadar area of Mumbai July 13, 2011. [Photo/Agencies]

MUMBAI - A total of 17 people were killed in the serial blasts in Mumbai on Wednesday, Indian Home Minister P. Chidambaram said at a press conference here on Thursday.

P. Chidambaram said among the 131 injured people, 26 have been discharged, 82 were in stable condition and another 23 were seriously injured.

Ammonium nitrate was used in the triple terror attacks on Wednesday and the bomb devises were not remote-controlled, said P. Chidambaram.

He also told the news conference the blasts in three separate neighborhoods were "a coordinated terror attack," adding that it's too early to say who was behind the attacks.

"We are not pointing fingers at any particular terror group and we'll follow all leads," said P Chidambaram, adding that all groups hostile to India are suspects.

P. Chidambaram also rebuked the absence of intelligence inputs about Wednesday's attacks as failure of intelligence.

The minister assured people here will continue to work, grow and prosper despite the blasts.

The attacks are targeted against Indian unity and prosperity, but not against foreigners or visiting tourists, said P. Chidambaram.

"Until now, no one has been arrested for the attacks and it's not sure the police will arrest some people today," said the minister.  

No organization has claimed responsibility for the blasts yet.

Meanwhile, Maharashtra chief minister Prithviraj Chavan announced to provide half a million rupees of compensation to the family of the deceased and 50,000 rupees to the injured.

Three blasts hit south and middle streets of Indian business hub Mumbai Wednesday evening, 31 months after large-scale terrorists attack in the same city on November 26, 2008, which killed more than 160 people and wounded at least 300.