The Customs has increased alertness as international operations are back on track.
Usually, the smuggling activity would be high during April and May.
The Chamber said Air India Express has introduced international flights between Kuala Lumpur and Trichy recently.
Sources with Air India Express said the airline had sent emails on Saturday night informing travellers about the rescheduling of flights to Doha (IX 373) and Sharjah (IX 351).
After the Central government allowed resumption of international flights from and to India after a gap of two years, Air India Express (AIE) commenced its full schedule on March 27.
A Boeing 737-800 aircraft of China Eastern Airlines, which was on way from Kunming to Guangzhou, crashed in Tengxian County in the city of Wuzhou.
The flight was not allowed to take off to Mangaluru even five hours after arrival at the Kempegowda International Airport (KIA).
AIE cabin crew had alleged that the management had reduced the contract period of the staff to one year without any explanation.
India on Saturday began the evacuation of its citizens from Romania and Hungary, countries sharing borders with Ukraine, as the Ukrainian airspace has been closed since February 24.
According to the cabin crew, the management has reduced their contract period from five years to one year, while other staff and new recruits have been provided a five-year contract
Over 500 cabin crew under the Air India Express Employees Union (AIXEU) are likely to strike work as they allege that the management has shown discrimination while issuing contracts.
Talace Pvt Ltd, part of Tata Group, is to acquire 100 per cent stakes in Air India, Air India Express and 50 per cent shareholding in Air India SATS Airport Services Pvt Ltd (AISATS).
The government clarified that VRS will be offered if anyone is to be removed after a year.
India's civil aviation sector soared in 2017 as passenger traffic continued to rise on the back of more regional flights.
IndiGo, owned by InterGlobe Aviation, last week expressed unsolicited interest in buying a stake in state-owned Air India.