XTD and TDI International (TDI) have signed the binding term...

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XTD and TDI International (TDI) have signed the binding term sheet, effective Tuesday, 6 September, which is an initial step towards a long-term partnership between the two companies.
 
TDI has exclusive advertising rights to 100 of Delhi Metro’s 160 stations, and will split the commercial receipts from Cross Track advertisers equally with XTD during the six-month trial. If successful, Cross Track will be rolled out to other stations.

So what you're claiming Ewop is that they have gone all the way to Delhi to install one screen even though TDI manages many different stations in one of the busiest transit systems in the world?
I imagine they will roll out screens to 10-15 of the busiest stations that TDI has rights to.