As per the official notice the online registration for round 2 will be commenced in 22nd Dec - 26th Dec 2020 (up to 5 PM) .The deadline is about in 27th Dec 2020 (up to 12 PM) .The choice filling locks in 27th Dec 2020 (10 AM - 5 PM) and the seat allotment results in 30th Dec 2020.

I hope my answer helps you. All the very best for your future endeavors!