CPI (M) secretary Ghulam Nabi Malik termed the FIR as 'unwarranted, unnecessary' and demanded immediate rollback of the charges against the students.
He said that there was no reason why the Virat Kohli-led team could not go on and win the tournament despite starting with a loss in the Super 12.
Gavaskar also had words of praise for Pakistan pacer Shaheen Shah Afridi's terrific spell, which rattled the Indian top-order in the blockbuster match.
Nafeesa Attari, a teacher at Neerja Modi School Udaipur, had put out a picture of Pakistani players with the caption, "Jeeeet gayeeee We wonnn".
Vij also said that one needs to be careful of traitors hiding in one's own country.
The J-K Students Association has urged Lieutenant Governor Manoj Sinha to withdraw the UAPA charges on humanitarian grounds.
Kohli handled defeat with so much grace, shows he is secure person: Former Pakistan captain Sana Mir
One of the most endearing images from the match was of the Indian captain hugging winning team hero Mohammed Rizwan.
The video shows over two dozen people belonging to a particular community celebrating the victory of Pakistan cricket team against India, and raising objectionable slogans on Sunday night.
Speaking at an event in Riyadh, Khan termed his country's win against India in their opening match of the T20 World Cup 'historic'.
Kohli was left wide-eyed and quite taken aback when a question was directed at him on whether Ishan Kishan merits a place in the side over his white-ball deputy Rohit.
The Babar Azam-led Pakistan team fired on all cylinders to notch an emphatic 10-wicket victory and end India's long-standing 12-match winning streak against them in the ICC World Cups.
Kohli's men took the knee in support of the movement that began with the death of African-American George Floyd at the hands of a white police officer in the USA.
Shaheen, who bowled three overs for the first time in the powerplay, was right on the money up front, jolting India twice in his first two overs to give Pakistan a dream start.
Fireworks, joyous fans on streets as Pakistan celebrates unprecedented win over India in ICC World Cup
Pakistan bested India in every department of the game in their T20 World Cup opener in Dubai on Sunday night.
T20 World Cup: Plan was to bring the ball back in, says Pakistan's Shaheen Afridi on defeating India
It is his superb deliveries to Rohit Sharma and KL Rahul that are being talked about after Pakistan's victory and he was deservingly awarded the 'Player of the Match'.