Rupa Publications puts its authors on the Delhi Metro
We are on the Delhi Metro
About the Author: Shoba Narayan
Shoba Narayan is an author, journalist and columnist. Besides writing, she is interested in nature, wine, gadgets and Sanskrit. Her lifelong mission is to get fit without exercising and lose weight without dieting.
Looks more like Mumbai local or may be Ring railway of Delhi
So I heard from another reader