Nala and Nila were solid builder in building Ram Setu in the Ramayan. But I don't know who they are?

Who are their parents?

Are they two brothers and twins?

How they got similar kind of name as Nala and Nila?

How did they meet lord Rama? And How could they make stones floatable on water while building Ram Setu?

Nala and Nila were solid builder in building Ram Setu in the Ramayan. And I have some questions and doubts.

Who are their parents?

Are they two brothers and twins?

How they got similar kind of name as Nala and Nila?

How did they meet lord Rama? And How could they make stones floatable on water while building Ram Setu?

Nala and Nila were solid builder in building Ram Setu in the Ramayan. But I don't know who they are?

Who are their parents?

Are they two brothers and twins?

How they got similar kind of name as Nala and Nila?

How could they make stones floatable on water?

Nala and Nila were solid builder in building Ram Setu in the Ramayan. But I don't know who they are?

Who are their parents?

Are they two brothers and twins?

How they got similar kind of name as Nala and Nila?

How did they meet lord Rama? And How could they make stones floatable on water while building Ram Setu?