Explanation:

It is a type of financial committee in the constitution of India. It is a one of the parliamentary committees (permanent standing committee. The purpose of this committee is to examine the estimates included in the budget presented in the parliament. It also suggests economies in public expenditure. For the same, it is also called ‘Continuous Economy Committee.’ Estimates Committee has 30 members. All the members are taken from Lok Sabha (Lower House). That means that there is no representation from Rajya Sabha. Hence option 2nd is correct.