Mohan Joshi Hazir Ho!

Mohan Joshi Hazir Ho Summons for Mohan Joshi is a 1984 Hindi art film, made by Saeed Akhtar Mirza, based on his own story, during the Parallel Cinema period of Indian cinema.

An old couple, Mohan Joshi Bhisham Sahni and his wife Dina Pathak, sues their landlord Amjad Khan for not maintaining their collapsing apartment building. For this, they hire two cunning lawyers Naseeruddin Shah and Satish Shah, while Rohini Hattangadi is the opposition lawyer.The court case drags on for years and the lawyers milk the old couple dry, while they become rich. Back home in the society, the old couple is ridiculed for fighting the landlord, but they fight on nevertheless. ........

Source: Wikipedia