Internationally acclaimed child rights activist Kailash Satyarthi's new book 'Tum Pehle Kyon Nahi Aaye' was launched in the national capital Delhi. Nobel Peace Laureate Kailash Satyarthi has been instrumental in bringing the issues of children in the global and national development agendas besides leading worldwide movements against child exploitation and upholding the rights of children for peace, safety, health, well-being and education.