 Since he began work at the Center for Constitutional Rights in 2001 Kadidal has taken part in or led litigation in government detention, wiretapping, electoral, and job and religious discrimination cases.These include defending Farouk Abdel-Muhti, a New York journalist at New York's WBAI radio and stateless national detained indefinitely after the September 11 terrorist attacks; bringing suit against the FDNY for discrimination on behalf of members of the African American firefighters group, the Vulcan Society, which was further expanded to include women and Hispanic firefighters; litigating against the NSA for accused wiretapping of lawyers; litigating a suit against the "Material Support" segments of the Patriot Act, specifically in its restriction of fundraising for medical clinics in parts of Sri Lanka occupied by the Liberation Tigers of Tamil Eelam (LTTE); litigating and organizing litigation of three 2005 cases against United States government travel restrictions to Cuba; and arguing in a suit on behalf of a United States Sikh rights group alleging religious discrimination of employees by New York Transit Authority.He was awarded the "2009 Access To Justice Award" by the South Asian Bar Association of New York.