Explanation:

- Option 1: Bombay

- Bombay, now Mumbai, was an important city during the colonial era.

- However, it was not the location for the first session of the Constituent Assembly.

- Option 2: Lahore

- Lahore was a cultural and political hub during British India, now in Pakistan.

- It did not host the first session of the Constituent Assembly.

- Option 3: Calcutta

- Known as Kolkata today, Calcutta was another key city in British India.

- It was not chosen for the Constituent Assembly's first session.

- Option 4: New Delhi

- New Delhi is the correct answer.

- It was the venue for the first session of the Constituent Assembly in December 1946.