To follow or act according to what one advises or instructs others to do
जैसा सिखाते हो वैसा करो
English Usage: Teachers should practise what preaches to earn respect from their students.
Hindi Usage: शिक्षकों को विद्यार्थियों का सम्मान पाने के लिए उपदेशों का पालन करना चाहिए।