The correct answer is B and D only. Key Points Committee on Estimates: The Estimates Committee is a Committee of Lok Sabha. The Committee consists of 30 members, all from Lok Sabha who shall be elected by the House every year from amongst its members. The Chairman of the Committee is appointed by the speaker from amongst its members. It scrutinizes government/budget estimates in terms of expenditure and utilisation of funds. Committee on Absence of Members: It examines every case where a member has been absent for a period of 60 days or more, without permission, from the sittings of the house. The committee exists only in Lok Sabha and consists of 15 members. Additional Information Committee on Public Undertakings: It examines the reports and accounts of Public Sector Undertakings (PSU). It consists of 22 members; 15 from Lok Sabha and 7 from Rajya Sabha. The Chairman of the Committee is appointed by the speaker from amongst the members of Lok Sabha. Committee on Public Accounts: The function of the committee is to examine the annual audit reports of the Comptroller and Auditor General of India which are laid before the Parliament by the President. At present it consists of 22 members; 15 from Lok Sabha and 7 from Rajya Sabha. The members are elected by the Parliament every year from amongst its members accordingly to the principle of proportional representation by means of the single transferable vote. The Chairman of the committee is selected from the Opposition and appointed by the Speaker.