Ganga Meri Maa is a social family drama. The movie follows the happy life of a young woman named Ganga (Nirupa Roy), who lives a wealthy lifestyle with her husband and three sons. However, her life takes a turn when a gang of dacoits kill her husband as revenge. Post her husband's death, she gets separated from her sons. Years pass by, but she is determined to reunite with her sons and ready them to avenge their father’s death. Will Ganga succeed in her mission?