Date on which the trademark application was filed with TMO?

Optium- all that you need (label) was applied on 26 May 2017.

Who is the trademark proprietor?

Trademark application was filed by NOVATEUR ELECTRICAL DIGITAL SYSTEMS.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
9

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 Optium- all that you need (label) is 3558073.

Who filed the trademark on behalf of the proprietor?

Trademark attorney of the Optium- all that you need (label) is Arjun T. Bhagat & Co.

Is the Trademark word, color or device mark?

Optium- all that you need (label) is a COLOUR as per IP India data.