Exams

In the given options, BIS is the odd one from the other three.  NABARD, RBI & IRDA are the bodies related to financial sector of India. The financial sector consists of banks, investment funds, insurance companies and real estate firms. 

BIS stands for Beareau of Indian Standards is a National standard body of India with the activities of standardization, marking and quality certification of goods.

The world's largest silver producer is Mexico.

Raghuram Rajan, an Indian economist is the recipient of the "Yaswantrao Chavan National Award 2018".

Stimulus diffusion is a type of expansion diffusion in which the idea is acceptable or adopted but not in its original form and expanded to culturally acceptable.

For example :

1. Mc. Donalds is also in India but not in beef. Indians culture will not accept beef and so it is with different forms like veg, non veg but the idea is same.

2. Yoga is an idea where in different regions use yoga for different reasons but the idea is same.

A Bowling ball.