The correct options are
A Protest against unsustainable development.
B Protest against displacement of tribal people.
Narmada Bachao Andolan was initiated by Medha Patkar, a social activist. Other leaders like Bava Mahaliya joined it to protest against the government to stop the construction of this dam. The construction of this dam could not be stopped, though. Sardar Sarovar dam was built and inaugurated in 2017.