• Article 21 states that “No person shall be deprived of his life or personal liberty except according to a procedure established by law.” Thus, article 21 secures two rights: 1) Right to life, and 2) Right to personal liberty. The Hon'ble Supreme Court in the case of Maneka Gandhi v. Union of India reversed its Gopalan decision by interpreting Article 21 more broadly. It was decided that a person's right to life and personal liberty can be taken away by law as long as the procedure used is reasonable, fair, and just.
Art 21 cannot be suspended anytime by the govt of India. However it can be restricted by procedure established by law. (Sir @santhoshraoclasses please provide the absolute answer, this is just a guess)