Yes, 30 minutes of HIIT once a day for 3-5 days every week is more than enough. 15-20 minutes of HIIT along with other forms of workout such as Yoga or Dance is enough for you to stay fit and keep your weight in check. HIIT Training Classes Near Me | HIIT Training Classes in Delhi | HIIT Training Classes in Mumbai | HIIT Training Classes in Bengaluru | HIIT Training Classes in Pune | HIIT Training Classes in Hyderabad | HIIT Training Classes in Gurugram | HIIT Training Classes in Kolkata | HIIT Training Classes in Noida | HIIT Training Classes in Jaipur | HIIT Training Classes in Ahmedabad | HIIT Training Classes in Chandigarh