These many docs required before salary discussion?

Vaccine Certificate? Which vaccine?

Call HR and tell I'll send details, but we need to discuss salary and other stuff like notice, etc first

Never saw something like this. It looks like to deliberately annoy the employee.

This is the level of India's HR.

Blood test ct scan x ray report bhi dedo bhai

These are usually asked for background check after sending out offer letter. Not for salary discussion itself. Be cautious

Everything is fine but whTs 11 for?

Yep, they asked me for all these documents when they first recruited me last year as well. Nothing out of the ordinary.