Date on which the trademark application was filed with TMO?

Preventic was applied on 01 August 1989.

Who is the trademark proprietor?

Trademark application was filed by KHANDELWAL LABORATORIES.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
5

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 Preventic is 514221.

Is the Trademark word, color or device mark?

Preventic is a WORD as per IP India data.