निम्नलिखित में से किस अर्थशास्त्री ने 'अधिकारों' (Entitlements) की अवधारणा के माध्यम से भोजन तक 'पहुँच' के रूप में खाद्य सुरक्षा पर बल दिया?

Identify the accepted average calorie requirement in India per person per day as defined by the Planning Commission/NITI Aayog.

Which of the following statements regarding the impact of poverty on food security in India are correct? 1. Poverty directly causes food insecurity because lower-income groups lack the purchasing power to afford nutritious food. 2. Food security is entirely independent of an individual's economic status. 3. Seasonal hunger is prevalent in rural areas among agricultural laborers who lack stable work throughout the year. 4. Malnutrition and undernutrition are rare occurrences in poverty-affected regions.