Airtel — airtel duplicate sim is not activating

After inserting the sim, when the signal came i dialled a number and call was not going. So i removed the sim from phone and thought to use it later when it get activated. But then only i came to knew that once the sim is inserted, it should not be taken until it gets activated. I inserted the sim 2nd time and waited long. I dialled 59059 for the activation but the call was not connecting. What should i do to get my sim activated??