The NIA Special Court in Kochi today allowed a plea by Shammy Feroz to turn approver in the Kozhikode twin blasts case. NIA Special Court judge S. Vijayakumar directed Shammy Feroz not to mingle with the other accused in the case. Shammy Feroz is the seventh accused in the case.The bombs went off at the Kerala State Road Transport Corporation and moffusil bus stands at Kozhikode on March 3, 2006.