(IDEX Online) - Customs officials in India suspect smugglers after a 21kg consignment of gold was found at a domestic air cargo complex.Gold bangles disguised as silver accounted for the majority of the haul at the Rajiv Gandhi International Airport in Hyderabad (pictured) on Saturday. There were also foreign-marked gold biscuits weighing 2kg and gold jewelry.Almost all items are undocumented and uninvoiced, and have been joint valued at more than $900,000. They were destined for Mumbai.Officers at GST (Goods & Service Tax), the government body probing the find, believe those responsible were trying to evade inter-state taxes.They say smugglers usually move gold by road, and this is the first time they've uncovered a consignment despatched as domestic air freight.