Based on regulations on fantasy sports, you can’t be really sure of job security. However, 8lpa cut is just too step. Tell the recruiter of Microsoft to meet in middle or at least settle for 35fixed.
Your Joining bonus and relocation will help a lot to push numbers in your favour, consider that how much will you get in Microsoft in 4years.
Compare that number against current job and startup.
ESOPs in startup is worthless only,mostly you won’t stick around that long.
- Negotiate in microsoft if you plan to stay for 4 years.
- Else switch into startup for 2years and then go to FAANG for stability.