Deepika Padukone, at 23, has a sage word of advice for everyone, from her sister Anisha, a golfer, to Saina Nehwal, badminton player and India’s latest female pin-up sportstar. But she doesn’t want to be called ‘wise’ – she’s just 23, after all, she protests!So ‘23 and unwise’ is cool with her, is it? With a flash of her famous dimple, the actress, who’s going to be in Delhi soon, says, “Not unwise also. I like the fact that I’m a little more mature than the average 23-year-old. As long as I don’t sound like a 50-year-old, it’s fine.”So what is her advice for Saina, who recently clinched a win over the higher-ranked Chinese player Lin Wang in Jakarta? Deepika, who’s played badminton herself, thanks to Prakash Padukone, her father, says, “I watched that game. Saina played brilliantly. I could see the exhaustion on that other girl’s face. Even Saina was tired, but I guess she was a little better than the other girl and she truly deserves it. My father has devoted his life to badminton an