Question

you are going to Delhi (suitable question tag )

Answer 1

The suitable answer for "You are going to Delhi" is as follows:

Are you going to Delhi?

When it comes to questioning tag, they will be either a real question or simply demanding for the agreement from the opposite person when we know the answer already. In real questions, the voice rises.

If the answer is already known, then the voice falls.

Answer 2

क्या तुम दिल्ली जा चुके थे