I don’t think it’s that easy to “effective immediately “. I know my company managed problem employees out over months. Employees in India are much better protected than in the US.

https://www.rippling.com/blog/labor-employment-law-in-india

India doesn’t recognize at-will employment

Barring cases of severe misconduct, you generally can’t dismiss an employee in India without notice or paying the employee out. Employers need reasonable cause to involuntarily dismiss employees, which includes willful insubordination, theft, fraud, extensive unexcused absences, and disorderly conduct on company property