What can you catch but never throw?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

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

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

What is always in front of you but can’t be seen?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

You can see it everyday, But cannot touch it at will. What is it?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?