The Delhi [Images] Police on Wednesday filed the first charge sheet in connection with the September 13 serial blasts charging five suspected Indian Mujahideen [Images] terrorists with murder and various other offences.

The accused allegedly involved in the September 13 serial blasts, which claimed 26 lives, have been charged with various offences including waging war against the state, murder and attempt to murder under various provisions of Indian Penal Code, the Unlawful Activities (Prevention) Act and the Explosives Substance Act.

The 76-page charge sheet in connection with Karol Bagh blast was filed before Chief Metropolitan Magistrate Kaveri Baweja against Mohd Shakeel, Zia-ur-Rehman, Saquib Nissar, Mohd Saif and Zeeshan.

The police said investigation into the case revealed that there were 22 persons involved in carrying out the blast at Karol Bagh.

Two of those involved in the blast were killed by the police in the encounter at Jamia Nagar in south Delhi and 12 are still at large, the police said, adding that one accused Mohad Mansoor Perebhoy is in the custody of Mumbai Police.

The police told the court that it would file supplementary charge sheet against two accused -- Sadique Sheikh and Quamuddin -- who were arrested two days after the serial blasts. Accused Mohd Saif and Zeeshan were arrested by the Delhi Police's Special Cell on September 19 following the Batla House encounter. The encounter in south Delhi's Jamia Nagar area had claimed life of Inspector M C Sharma. The police had also killed Atif Ameen, alleged leader of the Indian Mujahideen, and another suspect Mohd Sajid in the gun battle.

Three other accused -- Mohd Shakeel, Zia-ur-Rehman and Saquib Nissar -- who allegedly belong to the same module were arrested a day after the encounter on  September 20 from Shaheen Bagh.

Two others -- Sadiq Sheikh, an alleged co-founder of Indian Mujahideen, who was arrested in Mumbai, and Quamuddin, arrested in Ujjain -- were also made accused in the case.

The police had recovered a laptop, a 9 mm pistol and AK-47 rifle from L-18 flat at Batla House. They mentioned clippings of the 2002 Gujarat Riots allegedly found from the laptop belonging to Atif among others as evidence against the accused.

All the accused are natives of Azamgarh district in Uttar Pradesh [Images]. The Mumbai Police which had interrogated Sheikh had said that he had gone to Pakistan in 2004 and received nine months' training in handling arms and explosives in camps organised by Lashkar-e-Taiba.

Suspected IM activist Quaumuddin was brought here on November 23 from Madhya Pradesh [Images] in connection with the serial blasts.