Rizwanur Rehman's family on Thursday moved the Calcutta High Court, challenging the West Bengal government-appointed inquiry commission headed by a retired judge to look into the youth's mysterious death. With the high court already ordering a probe by the Central Bureau of Investigation, there is no point in continuing with the Justice (retired) Aloke Chakraborty Commission of Inquiry, the petitioners -- Rehman's mother Keshwar Jahan and his elder brother Rukbanur -- said