Date on which the trademark application was filed with TMO?

Sii tresivac was applied on 18 April 1991.

Who is the trademark proprietor?

Trademark application was filed by SERUM INSTITUTE OF INDIA.

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 Sii tresivac is 549126.

Is the Trademark word, color or device mark?

Sii tresivac is a WORD as per IP India data.