A possible concise summary is:
Anita, a widow who lives alone, hires Ajay as her employee and seduces him. She also plans to have a threesome with him and her friend Shiela. However, her maid Chhabili is in cahoots with some thieves who break into Anita's house to steal her money and jewelry
Some possible facts extracted from the text are:
1. Anita Kashyap is a widow who lives on Kali mata road and hires men to work for her.
2. Raju, Chhabili, Salim and another man are thieves who plan to rob Anita's house.
3. Ajay is a new employee of Anita who falls in love with her and gets involved in the theft.
4. Anita kills Raju when he tries to rape her and locks the other thieves in a room.
5. Shiela is Anita's friend who wants to have a threesome with Anita and Ajay.
6. Inspector Rana is a police officer who investigates the murder and the robbery.
7. Anita lies to the police that Ajay killed Raju and that Chhabili is her maid.
8. Salim is the one who called the police and exposed Anita's lie.