Enquiry about caste

Aadhar card and Voter ID card is sufficient proof for your ID purpose. So dont worry. 

Now adding caste names in names is not mandatory.  You can get the voter card and AADHAR card name changed with less than Rs.100/- by visiting AADHAR Centers and producing your copy of the School certificate .  If you have a doubt/suspicion, nip it in the bud then and there.  You can easily change the name of your father in VC and AC through SC.

Please get an affidavit from your father that Mubee Ahmad and Mubeen Ahmad are one and same person before the Judicial Magistrate and publish it in the newspaper and gazette. In case there is any problem in future this gazette will be your solution.

There is no problem and no need to go for any procedure for the suggested amendment.