Alright, I have an update: The deadline is going to be extended yet again. They've accepted that there's not enough bandwidth and the up-gradation work (involving crores of ₹) will be done by 10-12th of April.
Many cities in India are affected. Pune is worst hit.
My dad said: if everyone's facing the same problem, then it's not a problem. I've decided to wait for few more weeks considering the fact the same connection has worked well for me since last 2 years.
Also, I was denied a rental waiver (for now).
This packet loss is due to congestion in the network. I was right.