I need some help to understand what conditions account to dual employment. I resigned from a company A, where I had worked for 2 months, on 1st September, 2017. The notice period is of 2 months but at the time of my resignation I had informed them that I will not be attending office after 20th September, 2017. But the HR told me that they would give me relieving letter on 1st November dated 1st November, and till then I will be on loss of pay. I have a job offer from company B where I have to join on 21st September. Company B doesn't know about my employment with company A.
So questions are
1. If I join company B on 21st September, will this account to dual employment?
2. If it doesn't and if I accept the relieving letter on 1st November, will it then be called dual employment? If yes, should I send back the letter to company A?
3. Do physical presence or taking salary for that day or both account for dual employment? Or being on two payrolls at the same time account for it, though I am on loss of pay at one place?
4. If it is not called dual employment and all is fine, in the future for a job should I show these overlapping dates?
5. If I want to do masters in USA, should I avoid showing this company in VISA applicaiton? Do they have some way in which they could find out that I am hiding my employment? Can they check my UAN or PF details and catch me?
I have tried talking to managers and HRs but there is no chance of early relieving or buyout. My new employer needs me on 21st. Please advice me with this. Thanks