In the parliamentary dignitaries is included: 1.

Solution

The parliamentary dignitaries in India include the following positions: 1. Speaker of Lok Sabha: The presiding officer of the Lok Sabha (House of the People). 2. Deputy Speaker of Lok Sabha: The deputy head of the Lok Sabha, elected by the members of the House. 3. General Secretary of Lok Sabha: The administrative head responsible for organizing the business of the House. 4. Chairman, Rajya Sabha: The presiding officer of the Rajya Sabha (Council of States), who is the Vice President of India. Thus, the correct answer is (d) All four.