Date on which the trademark application was filed with TMO?

Nmia was applied on 22 December 2017.

Who is the trademark proprietor?

Trademark application was filed by NAVI MUMBAI INTERNATIONAL AIRPORT.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
25

Trademark application is at what stage of trademark process?

As per IP India, trademark application is on the following stage:
Registered.

What is the Listed Application ID of the Trademark?

Listed application Id of Nmia is 3709744.

Who filed the trademark on behalf of the proprietor?

Trademark attorney of the Nmia is M/S. V.A. Associates.

Is the Trademark word, color or device mark?

Nmia is a WORD as per IP India data.