Prior Experience: Product Based MNC
YOE: 6 Years 9 Months
Date of the Offer: 21 June 2021
Company: OLX
Title/Level: SE-2
Location: Gurgaon
Salary: 30 LPA + 4.5(15% Variable)
Stock bonus: 16K
Bonus: None
Total comp (Salary + Bonus + Stock): 37.5
Current salary : 26.5 LPA

I have two doubts :-

1. I wanted SE3 but got SE2, Can I ask for more ?
2. What is the cooling period If I have to decline this offer and evaulate myself for SE-3 again.
3. How's the company? Any late night calls? On call/Weekend 24*7 Support?