Ravi is also asking for Rajendran Ranjan's work permit to be reinstated, so that the 22-year-old Indian can continue working in Singapore, The Straits Times reported today.
Ranjan had initially been accused of being part of a group of seven men who used a wooden stick, a dustbin and a metal drain cover to smash the windscreen of a private bus which had knocked down an Indian, leading to his death in Little India area in the city.
Four of the men were later issued police warnings, before being deported last Friday.
Ravi said that he had written to the Immigration and Checkpoints Authority twice last Friday, after his client was taken into custody for repatriation later that day.
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He had stated his intention to file a judicial review challenging the deportation order, and had also requested access to his client.
However, Ranjan was not allowed to be briefed by a lawyer, and was still sent home despite having been acquitted, said Ravi.
Singapore has deported 57 foreign workers, including 56 Indians, and warned some 200 others for rioting, the city state's worst street violence in 40 years.
Twenty-five Indian nationals would be charged in court this Friday for rioting.