While Dossa was convicted on charges of conspiracy and murder under various sections of the IPC, besides offences under the Tada Act, the Arms Act and the Explosives Act, Salem was found guilty of transporting weapons from Gujarat to Mumbai ahead of the blasts.
Salem had also handed over to actor Sanjay Dutt-- who was an accused in the case for illegally possessing weapons-- AK 56 rifles, 250 rounds and some hand grenades at his residence on January 16, 1993. Two days after supplying the arms, on January 18, 1993 Salem and two others had gone to Dutt's house and got back two rifles and some rounds.
The trial of the seven accused -- Abu Salem, Mustafa Dossa, Karimullah Khan, Firoz Abdul Rashid Khan, Riyaz Siddiqui, Tahir Merchant and Abdul Quayyum – had been separated from the main case as they were arrested at the time of conclusion of the main trial.
Abdul Qayyum was acquitted of all charges and the court ordered his release against a personal bond. As for Riaz Siddiqui, though he was convicted, the Tada Court said it believed the prosecution failed to prove charges for conspiracy.
Earlier, the court had dropped certain charges against Salem in 2013 after the investigating agency –the Central bureau of Investigation (CBI)-- moved a plea saying those charges were against the extradition treaty between India and Portugal.
Dossa allegedly masterminded the landing of explosives including RDX in India and sent some youth to Pakistan to acquire arms training to execute the blasts.
The dastardly attacks had left 257 dead, 713 persons seriously injured and destroyed properties worth Rs 27 crore.
In the first leg of the trial that concluded in 2007, the Tada court had convicted 100 accused in the case, while 23 persons were acquitted.
On March 12, 1993 the country's commercial capital witnessed an unprecedented terrorist attack when a series 12 bomb explosions took place one after another in about a span of two hours.
The blasts took place at Bombay Stock Exchange, Katha Bazaar, Lucky petrol pump near Sena Bhavan, opposite Passport office near Century Bazaar, Fishermen's colony at Mahim Causeway, at basement of Air India Building, Zaveri Bazaar, Hotel Sea Rock, Plaza Theatre, Centaur Hotel (Juhu), Sahar Airport (Bay no.54) and Centaur Hotel (near airport).
This was the first ever terrorist attack in the world after the Second World War that had seen the use of RDX (Research Department Explosive i.E cyclotrimethylene trinitramine) on such a large-scale.
According to the prosecution, in order to avenge the demolition of Babri Masjid, members of the crime syndicate under the fugitive don Dawood Ibrahim along with other absconding accused Tiger Memon, Mohammed Dossa and Mustafa Dossa hatched a conspiracy to commit terrorist acts in India.
The prosecution said that the object of the crime was to commit terrorist acts with an intent to overawe the Government of India, to strike terror on the people, alienate section of the people and to harm the communal harmony.
It said that the conspirators smuggled fire arms, ammunition, detonators, hand grenades and highly explosive substances like RDX into India and stored it.
According to the prosecution, Mustafa Dossa, Tiger Memon and Chhota Shakeel organised training camps in Pakistan and India to impart and undergo weapon and arms training and handling of explosives. They also sent men from India to Pakistan via Dubai for arms training.
The prosecution also said that the conspirators held 15 meetings before the execution of the blasts.
The blasts that rocked 13 sites in Mumbai on March 12, 1993, had left 257 people dead and 713 injured, besides causing destruction of properties worth Rs 27 crore.
Here are the details of the case:
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