New Delhi: Cricketer R Ashwin’s recent remark that Hindi is not India’s national language but only an official language has been supported by BJP Tamil Nadu President Annamalai, who has said that it is a “language of convenience”.  Attending a convocation ceremony at a private college near Chennai on Thursday, the Tamil Nadu-born cricketer had asked what language the students would like him to address them in. “English students in the house – give me a yay,” he said, getting a loud cheer in reply. He then said “Tamil” and got an even louder roar from the audience. When he said “Hindi”, however, there was total silence.  “I thought I should say this. Hindi is not our national language; it is an official language,” he then said in Tamil. Asked about the comments on Friday, Annamalai said Hindi was a “link language”.  “Correct. It is not a national language, which Annamalai is also telling you. Not only my dear friend Ashwin has to say that… not only anybody… It is not the national language. It …