Summary
Farhan qureshi and Raju Rastogi and Rancchoddas as "Rancho" Shamaldas Chanchad are three engineering students who share a room in Imperial College of Engineering, one of the best colleges in India. Farhan and Raju has not a rich and Rancho is from a rich family. Farhan wants to become a wildlife photographer, but has joined college of engineering to fulfill his father's wish. Raju on the other hand wants to uplift his family fortunes. Rancho is a wealthy genius who studied for the joy of it. However, Rancho's passion is for engineering because he loved machines. Ranchos fellow student Joy Lobo hangs himself in his dormitory room because Joy had requested an extension on his major project but Virus refused it and virus talk to the father of joy saying that he’s son was remove in the school so that joy commited suicide.

Threatened by Rancho's talent and fighting spirit, Virus called him an "idiot" and attempts on a number of occasions to destroy his friendship with Farhan and Raju, warning them and their parents to go far of of Rancho. In contrast, Virus model student is Chatur Ramalingam or "Silencer", who sees a high rank at the prestigious college as his ticket to higher social status, corporate power, and therefore wealth. Chatur conforms to the expectations of the system. Rancho humiliates Chatur, who is awarded the honour of making a speech in a ceremony by substituting wrong text, which has been written by the librarian. Chatur mindlessly memorises the speech, without noticing that anything is wrong, partly aided by his lack of knowledge on Hindi. His speech is becoming annoying and very laughing. the three students continue to anger Virus, although Rancho continues to come first in every exam, while Chatur is always second, and Farhan and Raju are always the last two positions. Then they drunk a lot at that night, then urinate the door inside the compound of virus running away when virus senses intruders. The next day, virus threaten to expel Raju ,he talks on the other two. Unable to choose between betraying his friend or letting down his family, Raju jumps at the 3rd floor window and lands on the ground, but after care from his friends he awakes from a coma.

The experience has changed Farhan and Raju, and they adopt Rancho's outlook. Farhan decides to pursue his love of photography, while Raju takes an unexpected approach for an interview for a corporate job. Pia reveals that brother was not killed in an accident but committed suicide in front of a train and left a letter because virus had forced him to pursue a career in engineering and not literature virus always mentioned that he unsympathetically failed his son on the ICE entrance exams over and over to every new intake of ICE students. Pia walks and leave the home, and takes virus keys. She tells Rancho of the exam of Raju They break the office and steals the exam and give it to Raju, and raju has realize nad have a good attitude and unconcerned with the prospect of failing, and refuses to cheat and throws the paper away. However, virus catches them and expels them on the spot and virus pregnant elder daughter Mona goes into labour at the same time. A heavy storm cuts all power , and Pia is at the hospital at that time, so she instructs Rancho to deliver the baby in the college common room “VOIP”, after Rancho successfully do the power using car batteries and the inverter that Rancho had invented for virus..Rancho then delivers the baby with the help of the whole students in the school.After the baby is apparently stillborn. ViruS reconciles with Rancho and his friends and allows them to take their final exams and they graduate. Rancho comes first and is awarded virus pen, which the professor had been keeping for and give this to a brilliant enough student.Ten years after Chatur vowed revenge on Rancho for embarrassing him at the ceremony. Rancho disappeared during the graduation party., Raju and Farhan begin a journey to find him. They are joined by Chatu a successful businessman and Chatur is always looking to his deal with a famous scientist named phunsukh wangdu. When they find Rancho's house, they saw a dead body of a man and find a completely Rancho but he is not the friend who are looking for.After accusing the new man of stealing their friend's identity the man pulls a gun on them, but Farhan and Raju takes the father's ashes and threatening to flush them down the toilet. Then the Fake Rancho says the truth that he is not the man who they are looking for and the man answer the question of raju and farhan.

Raju and Farhan find Pia, and they take pia from her wedding day to Suhas and Raju turn up to the ceremony disguised as the groom. When they arrive in Ladakh, they see a group of children .Chatur always backfighting rancho and always says rancho is a schoolteacher and When they saw Rancho, his friends ask what his real name is, he reveals that it Phunsukh Wangdu and. Chatur is horrified and falls to his knees, accepts his defeat.
Plot
After faking a stroke abroad an Air India plane, Farhan Qureshi and after excusing himself from his wife – trouser less – Raju Rastogi go on a journey to to re-unite with their fellow collegian, Rancho – Ranchoddas Shamaldas Chanchad .Enroute, they encounter another student, Chatur Ramalingam, now a successful businessman abroad, who reminds them of a bet they had undertaken 10 years ago. The trio, while recollecting hilarious antics, including their run-ins with the Dean of Delhi’s Imperial College of Engineering, Viru Sahastrabudhe, race to locate Rancho. However when they reach Shimla they realize that Rancho was the destitute servant boy “Chhote” of the real Ranchoddas who himself disliked studies and hence the family has “Chhote” studying and qualifying for a degree, which was then pocketed by the real Ranchoddas. They are informed that he is now a school teacher in Ladakh. The 2 friends then proceed towards Ladakh, but not before taking along Pia .from her wedding mandap. Finally they re-unite with their friend and Rancho and Pia re-kindle their love. Chatur, mocks Rancho for having lost the bet. Racho then reveals his name to his friends, which is Phunsukh Wangdu, the famous scientist and Chatur’s prospective business associate! Chatur then accepts defeat and pleads with Phunsukh to establish business relations for which he had originally come.