भारत में प्रच्छन्न बेरोजगारी (Disguised unemployment) मुख्य रूप से किस क्षेत्र में पाई जाती है?

The _________ is calculated by averaging the square of the poverty gap ratio.

Which expert committee's recommendations, submitted in 2009, led to the revision of the poverty line calculation methodology in India by shifting from a calorie-intake basis to a broader basket of consumption goods?