$A=Plays\ Badminton\ and\ husband\ of\ E\ (दादा)$
$B=Plays\ Carrom\ and\ daughter-in-law\ of\ E\ and\ mother\ of\ C\ and\ F\ (मां)$
$C=Plays\ cricket\ and\ can't\ say\ whether\ son\ or\ daughter\ of\ D\ and\ B\ (पोता/पोती)$
$D=Plays\ TT\ and\ father\ of\ C\ and\ F\ (पिता)$
$E=Plays\ bridge\ and\ wife\ of\ A\ (दादी मा)$
$F=Plays\ chess\ and\ son\ of\ D\ and\ B\ (पोता)$
Ans: Grandson: B