(Certified: Jun 9, 1967)
Parvathi (Padmini) is an elder daughter of eight children family who is the primary bread earner of her house. Her aim is bring up her family position and marry off all her sisters which include a dumb girl. So she struggles hard to educate her brother Suresh (Rajesh Khanna) and make him doctor. She meets a man (Feroz Khan) whom she has a liking but her circumstances prevent her moving further.
Manoharilal, an aged rich man and father of six children wants to marry again and Parvati agrees the proposal on the grounds that her family position will improve if she marries him. Suresh tries his level best to make her back-off but Manoharilal.
Manoharilal's family does not welcome Parvati to their home due to step-mother fear. Suresh worries on the situation of her sister in the new home but Parvati manages win the love of all her husband's children. Parvati spends most of the time with the children and this irritates her husband. So she behaves in the way which is liked by her husband but not liked by herself. At times he doubts on the fidelity of his wife and assumes that she has affair with some other man and tortures her. Suresh and Manoharilal's sister gets attracted towards each other but it is strongly opposed by Manoharilal. Hence he stops aiding Suresh's education but somehow Manoharilal's sister manages money for his studies by getting money from a man. Because of which she frequently visits a hotel. Suresh passes in his final examination and cheers Parvati.
Manoharilal arranges for groom visit for his sister. The groom looks at the bride and is shocked as he has seen her frequently coming to a hotel and assumes that she is a dirty woman earning money in dirty way. This shocks Parvati and Manoharilal. But the fact is the money for Suresh's education is provided by the man whom Parvati wanted to marry in the beginning. She also finds that he wants to marry her dumb sister. Manoharilal realises his mistake and unites his sister with Suresh and all live happily.