Chief Secretary S K Srivastava, Principal Secretaries, heads of departments and a number of other senior officials took the pledge.
The day is observed to generate awareness in the country among all sections of the people about the danger of the terrorism and violence and its effect on the people, society and the country as a whole.
It was on this day in 1991 that Rajiv Gandhi was killed in a terror attack at Sriperambdur in Tamil Nadu.
