Consider the following statements regarding Madhya Pradesh's draft Uniform Civil Code (UCC) Bill:
- It bans polygamy and nikah halala and mandates registration of live-in relationships.
- It exempts Scheduled Tribe communities under Articles 342 and 366(25) of the Constitution.
- It was drafted by a committee headed by a retired Supreme Court judge who also drafted Uttarakhand's UCC.
- It sets the minimum marriage age at 21 for both men and women.
How many of the above statements are correct?