Which of the following can alter the boundary of a state or change its name?

Correct option is B

Under Article 3, Parliament has the power by law to form a new State from the territory of any State or by uniting two or more States, increase or decrease the area of any state, or alter the boundaries or the name, of any State.
 Article 3: Formation of new States and alteration of areas, boundaries or names of existing States.
 Parliament has used its power to alter the boundary of a state or change its name on several occasions. For example, in 1956, Parliament passed the States Reorganisation Act, which changed the boundaries of many states in India. In 2014, Parliament passed the Andhra Pradesh Reorganisation Act, which created the new state of Telangana.