June 28 (Reuters) - Clairvest Group Inc CVG.TO
* Head infotech immediately shut down its operations in response to ordinance
* Clairvest Group Inc says head infotech has resumed operations for customers outside of telangana
* Head Infotech, along with other online rummy companies in india, are challenging validity of ordinance in indian courts Source text for Eikon: ID:nCCNKN5sla Further company coverage: CVG.TO