Which of the following methods has/have been used to estimate poverty in India ?

1. Head Count Ratio
2. Calorie intake
3. Household Consumption Expenditure
4. Per Capita Income

Select the correct answer from the codes given below.
Codes :

A) 2 and 3

B) 1, 2 and 3

C) 3 only

D) 1, 2, 3 and 4

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2020 (GS Paper I)