The right to protest comes under Article 19 which talks about the Protection of certain rights regarding the right:
(a) to freedom of speech and expression;
(b) to assemble peaceably and without arms;
(c) to form associations or unions;
(d) to move freely throughout the territory of India;
(e) to reside and settle in any part of the territory of India;
(g) to practise any profession, or to carry on any occupation, trade or business.
Article 19(1)(b): The Right to peaceably assemble allows people to question and object to acts of the government by demonstrations, agitations and public meetings, to launch sustained protest movements.