hello aspirant,

I hope that you are doing absolutely great.

With reference to your above mentioned query, I would like to tell you that you cannot reserve your seat in your allotted colleges in round 1 and round 2 counselling rounds. If you cancel the seat that you get in any counselling rounds then you need to apply freshly for a new counselling rounds and the allotted seat is given to other candidates applying in state counselling.

Further follow the below mentioned steps to know how to apply for Maharasthra state NEET counselling process :

1. Step 1 - Registration. ...
2. Step 2 - Selection of Details on Types of Candidature. ...
3. Step 3 - Enter Qualification and Examination Details. ...
4. Step 4 - Uploading of Scanned Images. ...
5. Step 5 – Payment of Counselling Fees. ...
6. Step 6 – Take Print out of Counselling Application Form.

further, you can follow the below mentioned link to know how to apply for NEET State Counselling in details steps and explanation : https://medicine.careers360.com/articles/maharashtra-mbbs-counselling

I hope that this will help