Kolkata: Seven Bangladeshi nationals were recently arrested at the Netaji Subhas Chandra Bose International (NSCBI) Airport with a large amount of foreign currency. Officers of Central Industrial Security Force (CISF) grew suspicious when the airport officials were checking bags.The money was spotted during the scanning of luggage. According to sources, on Wednesday morning, when the luggage of the flyers was being checked for a Dhaka-bound flight, the on duty Central Industrial Security Force officer had some suspicion about a few bags after he saw their images on the scanner screen. To investigate the matter, the officer decided to check the baggage physically. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataAfter opening the luggage nothing suspicious was found. Later, during a thorough check a small false space were found at the bottom of the every luggage bag. Immediately, the bottom of the luggage bags were cut open and the Central Industrial Security Force officer found a huge amount of foreign currency inside them. Seven passengers were immediately detained and taken to the Central Industrial Security Force custody. They have been asked to submit valid documents in support of carrying such a huge amount of foreign currency. As they were not able to produce any document, the money was confiscated and all seven of them have been handed over to the customs authority. Later, customs authority arrested the accused persons. A source informed that the total amount of the seized money is valued at $7.43 lakh, which is worth Rs 5.14 crore. On Saturday morning, a Bangladeshi national identified as Alam Sah was arrested with $ 70,000 which is worth Rs 47.42 lakh. The dollars were hidden inside a false compartment at the bottom of his bag.