In an affidavit filed in SC, the CBI says there is every likelihood of accused Giribala Singh and Samarth Singh influencing trial proceeding in Bhopal and intimidating witnesses. Twisha Sharma death: Former judge Giribala Singh, mother-in-law of alleged dowry-death victim Twisha Sharma, was sent to five-day custody of the Central Bureau of Investigation (CBI) by a.