Yeh Sunday Kyun Aata Hai is the story of street kids, their life, love and the reaction of society.
The film is the story of 4 children, Dholak, Master, Jingur and Chillar. They are friends and earn their living by doing shoe- polish on railway platform. RPF police officer Rane often takes some money forcefully from these children frequently. These children sleeps on the pavement owned by Dadu, a road goonda. Dadu collects rent for pavement as well. Dholak often plays Dholak whenever feels stressed and tensed. These team of 4 always tries to keep away another group of 3 children who does pick pocketing from platform.
One Natt family always perform aerobics & stunts on the road to earn money. Dholak often watches them. One day he sees the Natt girl child is pick pocketing and he shouts at her, but she runs away and Natts take a notice at Dholak. One night Dholak get caught by Natts when he makes noise after seeing a crime done by Natts. His friends starts searching for him. They goes to every offices, Government organisations including Police Station, but no one is interested in their case. An honest police constable Mr. Gurnam decides to help these children. Whether they find out Dholak forms the climax.