TCS Separation - Suggestions please

I am a C3B with current CTC at around 20-25 L. You know the condition of hikes, QVA and can estimate the in-hand.

Got offer of 30-35 L and dropped resignation in TCS.

TCS wants to negotiate just 10% or so. I dont care much but I want Al / ML Projects as a guarantee to stay back.

My delivery manager says that he will put me into an Al / ML Project. What do you think? Is it just a false promise, or he might.