Separately, Tesla has recruited Manuj Khurana, a former executive of India's investment promotion body Invest India, in the first major hire to lead its policy and business development efforts in the country, two other sources said.
Tesla did not respond to a request for comment, while Khurana declined to comment.
In October, Tesla CEO Elon Musk said on Twitter the company will enter India in 2021 "for sure", though the billionaire had issued similar tweets in the past.
The search for showroom space and Khurana's appointment signal Tesla is moving faster.
Global property consultant CBRE Group Inc - hired for the showroom searches by Tesla - has been surveying places for several weeks and is focussing on locations which will give the company easier access to affluent customers, sources said.
Some luxury car showrooms in upmarket areas of metro cities are typically between 8,000-10,000 square feet, but most showrooms are far smaller in India where high-end real estate space is usually in short supply and property prices in New Delhi and Mumbai are among the highest in the world.
"If you look at Tesla's showrooms globally, they are like experience centres. It would look at replicating that with some modifications for the Indian market," said one of the sources, all of whom declined to be identified as the talks are private.
CBRE said it does not comment "on work we may be doing on behalf of our clients".
Khurana has previously been on a government panel on the future of transportation led by Prime Minister Narendra Modi's top scientific adviser. In his new role, he is also handling Tesla's market-entry process in India, two sources said.
But India isn't likely to be an easy market to crack for Tesla.
The country has negligible charging infrastructure and high taxes on imported cars, as well as low adoption of electric vehicles (EVs).
India recorded just 5,000 EV sales out of the total 2.4 million cars sold last year, while in China new energy vehicle sales touched 1.25 million.
However, analysts say India's rising number of affluent consumers makes it a market the automaker can't ignore as the government increases its focus on promoting clean cars.
While Tesla plans to import cars at first, India's road minister told Reuters last month that the government is ready to offer incentives to ensure the carmaker's production cost would be less than in China if it commits to local manufacturing.
(Reporting by Aditi Shah and Aditya Kalra in New Delhi; Editing by Kim Coghill)
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