Date on which the trademark application was filed with TMO?

Proscenium was applied on 25 April 2019.

Who is the trademark proprietor?

Trademark application was filed by BANARAS HOUSE ENGINEERING.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
43

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 Proscenium is 4158062.

Who filed the trademark on behalf of the proprietor?

Trademark attorney of the Proscenium is Lalji Advocates.

Is the Trademark word, color or device mark?

Proscenium is a WORD as per IP India data.