What is the estimated extent of salt affected soils in India?

Solution (By Examveda Team)

The estimated extent of salt-affected soils in India is 7.42 mha approximately and out of which 3 mha is saline and the rest is sodic soil.
It is around 2.1% of the geographical area of the country, is salt affected.
Around 2.347 mha of the salt-affected soils occur in the Indo-Gangetic plains of the country.