Congress says, it is not appropriate for any political party to comment on the decision of two individuals on marriage and attacked Shiv Sena for its statement on tennis star Sania Mirza's plan to wed Pakistani cricketer Shoaib Malik. Party spokesman Abhishek Singhvi said these are political parties which have no support base and are desperately trying to get attention.Sena chief Bal Thackeray yesterday criticised Sania for deciding to marry Malik.