New Delhi: In a big relief to the government, a trial court on Saturday dismissed petition seeking to make Home Minister P. Chidambaram a co-accused in the Rs. 1.76 trillion 2G spectrum allocation scam case.

Judge O.P. Saini delivered a one line judgement, saying the petition is dismissed.

The trial court ruled in favour of Chidambaram, whose role as the then finance minister when the scam took place in January 2008 was under scanner, following instruction of the Supreme Court, which on Thursday cancelled 122 licenses issued by the imprisoned former telecom minister A. Raja and asked the trial court to decide fate of the petition filed by the Janata Party chief Subramanian Swamy.

Swamy had sought the Central Bureau of Investigation probe into Chidambaram's role in the scam as well as his inclusion in the case as a co-accused.

Chidambaram, who was scheduled to leave for a tour of his home state Tamil Nadu stayed back at his home find out the court verdict. The Congress party welcomed the court verdict. "We in the government and in the party knew all alone that Chidambaram was above board," federal Information and Broadcasting Minister Ambika Soni said, adding that they were expecting the ruling in favour of the beleaguered home minister.

An unfazed Swamy, however, said that the trial court dismissing his petition is just a minor setback as he plans to move to higher courts with the same petition.