Dear a2k, you have not understood the meaning of Uniform Civil Code. It means that we will have a set of laws that will be applied uniformly to all citizens of India. The legal entitlement of "marriage" comes under the purview of law but how a marriage "ceremony" is performed is NOT under the purview of law. In other words, you can have the ceremony of your choice be it Shia Muslim, Sunni Muslim, Punjabi, Tamil, what ever you choose. However you can only get married to one woman at a time. USA has uniform civil code and even muslims in USA cannot have more than one wife. Thats a great system. The fundamental question is, do you have to have 4 wives to become a muslim? The answer is no! Does it make you a better muslim to divorce your wife and NOT pay alimony. The answer is no! Infact, lot of these things have nothing to do with God. The whole thing about muslim personal law is to prevent muslims from integrating with the mainstream and thereby destabilise India. I strongly believe that implementing uniform civil code will unite India and make it more peaceful and allow people to practice their faith peacefully and without confrontation. Sadly, not everyone wants peace and equality.
