Irshad, NTA has released an official notification regarding filling the 15% All India Quota State Eligibility field. Now according to the notification, you can fill in any State's name there and that will not effect your State Quota eligibility. So even if you have entered Rajasthan there, it is still ok. You can still participate in Maharashtra State Quota.  There are 5 ways you can fulfil the domicile of Maharashtra:

Maharashtra State Candidature Type: A

1.You should have passed your SSC and HSC from the State of Maharashtra.

2. You should have domicile certificate from the State of Maharashtra or born in Maharashtra and have a birth certificate mentioning the place of birth which is in Maharashtra State.

Maharashtra State Candidature Type: B

1.You should have passed your SSC and HSC from the State of Maharashtra.

2. Your father or mother have domicile certificate from the State of Maharashtra.

Maharashtra State Candidature Type: C

1.You should have passed your SSC and HSC from the State of Maharashtra.

2. Your father or mother is an employee of the Govt. of India or Govt. of India undertaking who is posted and reported to duty in the State of Maharashtra.

Maharashtra State Candidature Type: D

1.You should have passed your SSC and HSC from the State of Maharashtra.

2. Your father or mother is an employee of the Govt. of Maharashtra  or Govt. of Maharashtra undertaking.

Maharashtra State Candidature Type: E

1.You should have passed your SSC and HSC from a recognised Institution from a disputed Maharashtra-Karnataka Border.

2. Your mother tongue should be Marathi and you should have a domicile/birth certificate from Maharashtra or Disputed Maharashtra-Karnataka border area.

Hello

To have a domicile from Maharashtra you must have a birth certificate that states you are born in Maharashtra or a school leaving certificate of both 10 and 10+2 from Maharashtra. Then you can apply for colleges in Maharashtra in the 85% quota.

For Rajasthan you must have one of the parent of the student must be a resident of the state for 10 years, or the candidate must have studied in Rajasthan for minimum of five years or must be a bonafide resident of Rajasthan. The you can avail 85% quota in Rajasthan.

If you meet the criteria in both the states you get 85% quota in both the states.

Good luck