Similar raids were conducted by the NIA on October 28 in Srinagar and Bengaluru.

Attack in Pulwama in Kashmir is "a matter of grave concern", the Pakistan Foreign Office said in a statement.

Advocate M S Khan, representing some of the accused, said that while the law mandates speedy trial of NIA cases, proceedings in the present case "are going slower than the speed of a snail".

“The alert is not specific to Goa. It can be even to Mumbai or Gujarat coast."

Ariz Khan was arrested by the Delhi Police's Special Cell.

The present case relates to the twin explosions at Greater Kailash-I in South Delhi where nine people were injured in the twin blasts at the M-block market.

'Most of us do not see communal violence as terrorism. The massacre of Sikhs in 1984 is called a riot. The Muzaffarnagar violence against Muslims was a riot.'

Earlier this year, in August, the Supreme Court had also granted bail to prime accused Lt Col Shrikant Purohit.

Sudhakar Chaturvedi and Sudhakar Dwivedi alias Shankaracharya, facing conspiracy charges, were granted bail by NIA Court judge SD Tekale.

The court had convicted six people, including the mastermind of the attack Mustafa Dosa and Abu Salem on June 16 this year.

Last month, the NIA arrested seven Kashmiri separatists - Altaf Shah, Ayaz Akbar, Peer Saifullah, Mehraj Kalwal, Shahid-ul-Islam, Naeem Khan and Bitta Karate for funding terror in the Kashmir Valley.

'We will win over naxalism, terrorism and extremism. In the past three years, extremism has come down by 75 per cent in the northeast and naxalism has come down by 35-40 per cent'