The various Associations in the NSS Hindu College are as follows.

1.Alumni Association
2.Athletic Association
3.Parent Teacher Asscoiation

The Department of Zoology has set up the ECOS Nature Club for the students of the College in order to inculcate in them awareness in conservation actions, mould nature lovers, generate leadership qualities and help students spread conservation ideas in the society.

The N.S.S. Units of the college have organised and conducted a wide variety of activities.

The Army wing under this company(15/5 NCC Army NSS HIndu College,Changanacherry) started in 1957and is under 15 Kerala Bn NCC Thiruvalla.