The multi-role Rafale jets, built by French aerospace major Dassault Aviation, are known for air superiority and precision strikes.
Senior Congress leader Digvijaya Singh alleged large-scale corruption in the form of payment of commission in the Rafale deal.
Government has no option but to order joint parliamentary committee probe into Rafale deal: Congress
Congress leader Rahul Gandhi said truth cannot be silenced while former defence minister AK Antony said the the Modi government cannot escape accountability by keeping mum.
Is it because Gandhi family didn't get 'commission': BJP's retort to Congress questioning Rafale deal
Sambit Patra said it does not sound well when the Congress party accuses others of jeopardising national security.
The selection of the French aircraft, announced by Prime Minister Andrej Plenkovic, follows a long bidding process that was plagued by delays.
We have a range of freedoms that is unique to us. The French authorities openly said last week that Dassault gave one million euro as “gift” to an Indian middleman in the Rafale aircraft deal.
Gandhi said this after a French media report claimed that 1.1 million Euros was paid to a "middleman" by the aircraft manufacturer, a charge that was denied by the BJP as baseless.
The jets were provided mid-air refuelling by air force tankers of the United Arab Emirates (UAE), the IAF said.
The IAF would be moving the fighters to Hasimara in May as by that time the fresh set of pilots will complete their training.
Olivier Dassault, 69, was heir to a powerful family business empire that made Falcon private jets and Rafale fighter planes and owned many other businesses including Le Figaro newspaper.
The IAF kickstarted the first major international wargames involving its Rafale fighter jets in Jodhpur on Wednesday with their French counterparts.
Flight Lieutenant Bhawana Kanth to become the first woman fighter pilot to take part in the ceremonial event on January 26.
In the 'Vertical Charlie' formation, the aircraft flies at low altitude, pulls up vertically and conducts rolls before stabilising at higher altitude.
IAF now has eight Rafale jets in service. The contract for 36 of these fighters was signed in an inter-governmental agreement with France in 2016 at a cost of Rs 59,000 crore.
Rajnath Singh said induction of Rafale jets into the IAF is crucial considering the kind of atmosphere being created along India's border.