Explanation:

2 and 3 only

It is an autonomous body under the administrative control of the Ministry of Minority Affairs.

This statement is incorrect. The National Foundation for Communal Harmony (NFCH) is an autonomous body, but it operates under the administrative control of the Ministry of Home Affairs, not the Ministry of Minority Affairs.

One of its activities is to provide financial assistance to the child victims of societal violence for their care, education, and training.

This statement is correct. NFCH does provide financial assistance to child victims of communal violence for their care, education, and training.

It provides scholarships to scholars for conducting studies.

This statement is correct. NFCH provides scholarships to scholars for conducting studies related to communal harmony and national integration.

Therefore, the correct option is 3 (2 and 3 only).