25 years married, and not a single argument Recently in Bangalore a couple celebrated their 25th marriage anniversary... They had become famous in the city for not having a single conflict in their 25 years of married life. Media gathered at the occasion to find out the secret of their happy going marriage. NDTV corespondent was very curious to know the secret and asked the husband: ""Sir. It's amazingly unbelievable. How did you make this possible? "" Husband: ""We are a happy couple since marr…