Toronto, Aug. 20 -- Canadian border agents deemed a dozen Indian students potentially inadmissible to Canada under the country's immigration and refugee protection law after checking the status of 20 of them at a protest in Calgary in the western province of Alberta, a Canada Border Services Agency (CBSA) spokesperson said on Tuesday. About 1,500 students at Calgary's Portage College began a demonstration and hunger strike on July 24 against the retroactive rejection and cancellation of their post-graduation work permits. Hundreds of students from India have been refused these permits because they enrolled in non-credit courses that did not provide a certificate, diploma, or a degree. The permit denial put their immigration status in limbo....