The correct option is B Bachpan Bachao Andolan
Child labour refers to the employment of children below the legally acceptable age in any country. Instead of going to school, these kids go to work. They lack educational development. Very often, children are exploited in different workplaces around the world. The Kailash Satyarthi's Bachpan Bachao Andolan movement has liberated more than 83,000 children from exploitation.