Who is Neil?

Now this is confusing...he calls abhi bro ..manjari maa n harsh uncle n says he's not his son ...like am confused totally..am I missing something?who is Neil actually?

He is illegitimate son of Harshvardhan Birla but Harshvardhan Birla himself doesn't know he has an illegitimate son

Was it mentioned in the serial?

Originally posted by: borntorule12

He is illegitimate son of Harshvardhan Birla but Harshvardhan Birla himself doesn't know he has an illegitimate son

How cum?was it mentioned in the serial?