A possible summary is:
Karishma Singh, a police officer, resigns from her job to save her marriage and pursue a 10 a.m. to 5 p.m. job. She gets a call from a mysterious man who claims she is dead, but no one else hears it. She meets Avtar Kapoor, a businessman, who offers her a job as a sales executive for a SIM card company. She agrees to join after 15 days. On her way to meet a clinical psychologist, she hitchhikes with another clinical psychologist, Barbie Upadhyay, who turns out to be the same person she was supposed to meet.
Here are the key facts extracted from the text:
1. Karishma Singh is a police officer who resigns from her job because of her marital problems and her inability to cope with her boss's ideologies.
2. Her boss is a woman who is very sad and disturbed by Karishma's resignation and tries to stop her from leaving.
3. Karishma gets a call from a man who says that she is dead and that he has killed her, but the call does not show up on her boss's phone.
4. Karishma applies for a 10 a.m. to 5 p.m. job as a sales executive for a SIM card company and meets the owner, Avtar Kapoor, who is a businessman and a patriot.
5. Karishma's boss follows her to find out if she is okay and meets a clinical psychologist, Barbie Upadhyay, who was supposed to meet Karishma at the cafe.