sentences:  With over 1200 employees, IMRB is one of the largest providers of market research in India in an industry estimated to be worth a minimum of $187 million.As the oldest extant market research company in India, IMRB has been responsible for establishing the first and only household panel, the first television audience measurement system and the first radio panel in the country.IMRB International's specialised areas are consumer markets, industrial marketing, business-to-business marketing, social marketing and rural marketing.