Multidimensional poverty estimates: Is India measuring poverty accurately?

Multidimensional poverty index measures poverty on the basis of parameters such as nutrition, child and adolescent mortality, and maternal health, among others

It looks odd that the multidimensional poverty rate declined by almost ten percentage points to 14.96 per cent between 2015-16 and 2019-21 when the last two years saw a major economic slowdown.  

The year 2019-21 represents the years when the economy slowed down, first due to pre-coronavirus factors and then due to coronavirus-induced lockdowns. The economy grew eight per cent in 2015-16, but the growth came down to 3.9 per cent in 2019-20 and