Simanta Kumar Dutta, a leader of the AGM, said the party would work towards safeguarding the rights of indigenous people.
The incident happened when the minister Jogen Mohan was going to his constituency - Mahmara.
AASU Chief Adviser demanded that Sarma and CM Sonowal apologise to the people for providing 'wrong explanation' about the Accord at the one-day Special Session of the Assembly on January 13.
The amount received from the sales will go to the students’ body, spearheading the anti-CAA agitation, to fight the case in the apex court.
The shooter, who had come in a car, fled the scene when the locals started coming out of their homes. No arrest has been made so far.
AASU general secretary Luring Jyoti Gogoi, addressing an anti-citizenship protest rally in Morigaon, said the students' body is surprised at the state finance minister's actions.
After arriving Tezpur by helicopter from Guwahati on Saturday, Himanta Biswa Sarma could not go to Ghoramari, where the programme was taking place, due to the agitation by AASU.
AASU leadership did not elaborate and said details will be shared in coming days after getting confirmation of PM Modi's visit to the state capital.
Ex-CM Prafulla Kumar Mahanta, who was the founder of the Asom Gana Parishad which is an alliance partner of the ruling BJP in the state, joined a sit-in in Guwahati with his party colleagues.
AASU chief adviser Samujjal Kumar Bhattacharya said the Centre has to either repeal the amended Citizenship Act or keep arresting them every day.
Students, senior citizens, teachers, lawyers, doctors, litterateurs, singers, musicians and actors were among those who took part in the protest march.
Gogoi said the protests would be staged across Assam, at district, panchayat and block levels from December 17, adding that Assam will never accept Citizenship Act.
In a video message, the chief minister had said on Saturday that the number of people to be benefited by the amended Citizenship Act is 'very negligible'.
'They have unleashed their oppressive machinery on people. It is clear that the Sarbananda Sonowal government will be brought down,' said AASU president.
Bhattacharya also criticised President Ram Nath Kovind for his assent to the Citizenship Amendment Bill on Thursday night within days of the passage of the controversial legislation in Parliament.