India’s tennis ace Sania Mirza regrets announcing her decision to retire at the end of the year, after seeing how emotional it has made her fans. During the Australian Open, Mirza announced that she would hang her boots at the end of the ongoing season. “I think it came as a bit of a shock to everyone and later I said that honestly, I shouldn’t have announced it (about retiring at the end of this season) so soon and should have come closer to the end of the year and announced it because everybody got really emotional,” Mirza told NDTV. “I got so many messages and for me tennis will always be a…