The difference between the *price* of a Tesla, 42 000 USD, and the *price difference* between a Tesla and a Tata, 39 700 USD, is pretty much a rounding error.
No, wait, they call them "2 lakh EVs" because they cost under 2 lakh. You can get a Tata for 1 lakh = 100 000 INR ≈ 1 100 USD.