Explanation:
The poverty line is the minimum level of income deemed necessary to achieve an adequate standard of living in a specific country. In India, the poverty line is defined based on the level of consumption expenditure required to meet the minimum calorie requirements. The poverty line is different for rural and urban areas because of the difference in the cost of living.

Rural Poverty Line:
The poverty line for rural areas is defined based on the level of consumption expenditure required to meet the minimum calorie requirements. The poverty line is updated periodically based on the changes in the cost of living. The latest poverty line for rural areas in India is consumption worth rupees 816 per person a month.

Calculation:
The poverty line is calculated based on the level of consumption expenditure required to meet the minimum calorie requirements. The minimum calorie requirement for a person per day is 2400 calories in rural areas. So, the minimum calorie requirement for a month is 2400 x 30 = 72000 calories. The poverty line is calculated based on the cost of food items required to meet the minimum calorie requirement. The cost of food items varies based on the location and time. The latest poverty line for rural areas in India is consumption worth rupees 816 per person a month.

Conclusion:
The poverty line for rural areas in India is consumption worth rupees 816 per person a month. The poverty line is defined based on the level of consumption expenditure required to meet the minimum calorie requirements. The poverty line is updated periodically based on the changes in the cost of living.