Question

Approximately what percentage of the cultivated land in India grows rice?

Answer 1

Hint: India is one of the world's largest producers of rice including white rice and brown rice, grown mostly in eastern and southern part of the country .Rice is the one of the chief grains of India, also known as the dominant crop of the country.

Complete answer:
To answer this question you must know the total cultivated land for rice production as well as the contribution of different states as cultivated land for rice production.
The rice production in India has gone up almost consistently over past years and here are some rice producing states of India including state West Bengal, Bihar, Odisha, Uttar Pradesh, Assam and Madhya Pradesh, panjab.
Some rice producing states of india are :-
1. WEST BENGAL:- Is the largest rice producing state of which almost half of the land is cultivated for rice production, in 2016 the states produced about 15.75 millions tonnes of rice over 5.46 millions hectare cultivated area.
2. UTTAR PRADESH:- 2nd largest rice producing state of India with almost 5.86 million hectare land under rice cultivation producing about 12.5 millions tonnes of rice.
3. PANJAB:-the 3rd largest rice producing state of India with almost2.97 millions hectare land under rice cultivation producing about 11.82 million tonnes of rice.
5. ODISHA:- Rice producing state of India with almost 3.94 million hectare land under cultivation producing about 5.87 million tonnes of rice.
6. ASSAM:-rice producing state of India with almost 2.46 million hectare land under cultivation producing about 5.14 million tonnes of rice.
Rice is the most important cereal food crop of India, and the area under rice crop was 30.81 million/hectare .It occupies about $23.3\%$ of the gross cropped area of the country and plays an important role in national food grain supply.

Thus approximately $23.3\%$ cultivated land used for growing rice.

NOTE:-
Total agricultural land in India was reported to be $60\%$ in 2018 according to the World bank collection of development. Rice contributes more than $40\%$ of the total food grain production, the total rice production in India stands at 104.32 million for 2015-2016.