What is so fragile that saying its name breaks it?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

It is always ahead of me yet I can never see it. What is it?

Can you name some countries which do not have the alphabet 'A' in them?

How can you leave a room with two legs and return with six legs?

I taste better than I can smell. Who am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What goes up but never comes down?