Rangula Ratnam is the story about changing relations between family members according to the changing financial status.Suryam and Vasu are brother's. Their father had strived very hard for their well being.But unfortunately he died.Their mother Sita (Anjali Devi) had strived very hard to educate her son Suryam.She was not able to provide education to her younger son Vasu(Chandra Mohan).Suryam had married a rich girl and had changed his living style which has resulted in crisis with his brother.Will Suryam totally ignore his brother due to unexpected property.What will Sita feel when her both sons are against each other.