The deal comes with a 50 per cent offset clause which means that Indian companies, big and small, will get businesses worth over 3 billion euros.
Defence sources said that one main point of the offset was that 74 per cent of it has to be imported from India.
This means a lot of business and job opportunities in India, sources said.
They added that the offset, spread over a period of seven years, will be finalised soon.
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Under the offset agreement, French side has made a 30 per
cent offset commitment for military aerospace research and development programmes and the rest 20 per cent for making components of Rafales here.
The offsets will be carried out by French companies Safran, Thales, MBDA and Dassault, all part of the Rafale project.
"Rafale's new export success demonstrates our ability, alongside Dassault Aviation and its partners, to constantly meet the customer's highest expectations through innovation, the mastery of advanced technology and industrial excellence", said Patrice Caine, Chairman and CEO, Thales group.
"The French government has in principle agreed on these points under the offset commitments. Once a final contract for 36 Rafale aircraft is signed, the French government will give subject wise clearance and concrete talks will start," a defence source said.
The French have also agreed in principle to collaborate on the Kaveri engine which lacks the real power thrust needed to fly the Tejas.
An upgraded Kaveri engine with 90 kN thrust compared to the existing 72 kN can be developed with French cooperation which can eventually be used for Tejas which currently uses an American engine.