M. Ravi is said to have applied to the High Court to quash the deportation of one of the 57 workers involved in the Little India riot on Dec. 8.
The Singapore activist lawyer is also lobbying for 22-year-old Rajendran Ranjan's work permit to be reinstated.
Ranjan had been one of the men accused of using weapons including a wooden stick and a dustbin, to smash the windscreen of the bus that had 'started everything'.
The seven including Ranjan, had later had their charges withdrawn, and were acquitted.