The News Minute | December 20, 2014 | 4.50 pm ISTA vigilance case has been registered against Kerala opposition leader V S Achuthananthan’s son V A Arun Kumar. The case is based on some irregularities in transactions while he was the Managing Director at Kerala Coirfed, a federation of 600 odd coir co-operatives. Vigilance officials has submitted an FIR at state vigilance court, alleging that there are irregularities in money transactions in relation to a warehouse construction at coirfed