అక్క ింటిలో చెల్లి ఇంటిలోనికి వెలుగు తెస్తుంది?

వివరణ

The riddle's answer is 'big fire.' It refers to how a daughter born into the elder sister's household brings light and prosperity to that home, using fire as a metaphor for the life-giving and illuminating presence a child brings to a family.