Which one of the following statements with regard to economic models is not correct?

With reference to the Consumer Disputes Redressal at district level in India, which one of the following statements is not correct ?

Which one of the following statements for a firm's equilibrium in Perfect Competition is not correct?

Which one of the following is not correctly matched with the standardization marks related to consumer protection?

Which of the following is not an economic activity?

Which one of the following central features is not associated with Capitalist Economy?