Indian political speeches: Identify the orator behind the collection "Three Decades in Parliament". Full question: The book titled "Three Decades in Parliament" is an edited collection of whose parliamentary speeches and interventions? Choose the correct option.

Given

• Title: "Three Decades in Parliament".
• Task: Identify the parliamentarian whose speeches the volumes compile.

Concept/Approach
Recall standard GK: the multi-volume set collects speeches by a noted Indian Prime Minister and orator.

Fact
"Three Decades in Parliament" compiles speeches of Atal Bihari Vajpayee.

Why others are incorrect
Nehru and Indira Gandhi have separate collections; Advani and Chatterjee are distinguished parliamentarians but not the subject of this titled set.

Final Answer
Atal Bihari Vajpayee.