Section 8A(1)(c) in Tamil Nadu Pension Rules, 1978
(c)which organises any exercise, movement, drill or other similar activity intending that the participants in such activity shall use or be trained to use criminal force or violence, or knowing it to be likely that the participants in such activity will use or be trained to use criminal force or violence against any religious, racial, language or regional group or caste or community and such activity for any reason whatsoever causes or is likely to cause fear or alarm or a feeling of insecurity amongst members of such religious, racial, language or regional group or caste or community.]