- General anti-intellectual idiots. Eg. NE16
- Anti hindu groups
- Various communist groups. Eg. NE16
- Various muslim groups.
- Various Christian groups.
- Regionalists who are afraid (without much basis, and shortsightedly) that sanskrit popularization will reduce the influence of their regional language.
- Certain academics are against popularization of sanskrit - claiming that it will lower language standards and that it is a gimmick (with the actual reason being that it reduces their speciality and value).