Nope they are not equally matched at all, the VT-4 is far superior to the TY90MS in terms of electronics , armour, mobility etc. This debate has been done, please see the thread earlier.
India does not have anywhere near 2,000 T-90 tanks, it has just over a 1,000, this has also been discussed.
The numbers are here;
From March 25 2020.
There are currently around 1,000-1,100 T-90 MBTs of both the MS and Bhishma S variants in service, although the operational readiness rate of the tanks remains unclear. According to one estimate, 850-900 are of the T-90S Bhishma variant. Of the two, the T-90MS MBT is the more advanced design.”
A good combo?
nationalinterest.org
It entered service with the Russian Army in 1992.
In February 2001, the Indian Army signed a contract for 310 T-90S tanks: 124 were completed in Russia and the rest were delivered in ‘knocked down’ form for final assembly in India.
The Indian Ministry of Defenc
e placed a $2.8bn contract with the Ordnance Factory Board (OFB) to licence-build 464 additional T-90S tanks at its heavy vehicle factory (HVF), Avadi, for the Indian Army in November 2019.
The T-90S main battle tank (MBT) is a powerful Russian tank with increased firepower, mobility and protection.
www.army-technology.com
Pakistan's initial order is 300 tanks yes, but there are plans for over 1,000. Do remember 180 tanks are already being delivered.
The Arjun suffers mobility issues, has less HP ratio than the VT4 and we could go on.