Indian fiscal authorities have seized at least three small tankers over allegations of illegally importing Iranian crude oil.

The Special Investigation and Intelligence Branch (SIIB) of India's customs has detailed grounds for the arrest of one of the three vessels, the 20,000-dwt Opec Galaxy (built 2008), in a document provided to TradeWinds.

The document signed by SIIB preventive officer Pradeep Benerjee of the Mundra Customs House in Gujarat state alleges that Opec Galaxy arrived bearing falsified documents.