In a major jolt to the UDF in Kerala, the state government has recommended a CBI enquiry into the Titanium scam case, which involved former chief minister, Oommen Chandy, opposition leader Ramesh Chenninthala and former minister, V K Ibrahim Kunju. The case is being investigated in connection with the establishment of pollution control system in the Travancore Titanium Products Limited, in 2004-2005 when Oommen Chandy was the chief minister and Ibrahim Kunju was the minister for industries.