urgent help needed regarding higher studies and notice period
having been accepted into an MBA program at an IIM i have requested for a reduction to my notice period from 90 days to 40 days. however I am a part of a new project with a prestigious client and working on a niche skill. My manager is saying he can’t yet agree to relieving me on my said date as he would have to look for a replacement which is hard to come by for my skill set. I don’t want to sacrifice my career ambitions over this but I am also attached to this place and want to part ways amicably. Please tell me what are my options. As per him the HR would have no issues since it’s for higher studies then what is the problem here?