State Bank of India starts bankruptcy proceedings against Amtek Auto subsidiary State Bank of India. Photo: Pradeep Gaur/Mint Gopika Gopakumar October 27, 2017 PremiumThree months after Amtek Auto Ltd was taken to the bankruptcy court, State Bank of India has initiated bankruptcy proceedings against its subsidiary Castex Technologies Ltd, three people familiar with the development said. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at email@example.com.