The average size of an agricultural holding was 1.08 hectares (2.67 acres) in 2015-16 and declining over time [1]. A lot of Indian land is small farms with houses clustered among them.

That’s not to say that India doesn’t produce a lot of wind energy, though - it’s the second largest source of renewable energy after solar according to the most recent source I could get (Feb 2020) [2].

[1] https://pib.gov.in/newsite/PrintRelease.aspx?relid=199780

[2] https://cea.nic.in/dashboard/?lang=en check “Renewable Energy” under “Generation”