Indian junior riders made a sensational start to their campaign in the Track Asia Cycling Championship in Thailand by winning one gold and three silvers on the opening day.Teen sensation from Andaman and Nicobar, Deborah, bagged the gold medal in the Time Trial event while Manorama Devi bagged silver medals in Scratch and Point races and Dilawar Singh from Haryana added the third silver in Point race for India.The Indian contingent has been taking big strides in Asian cycling ever since the last edition of the Asian championship in New Delhi in March, where India won two silver and two bronze for the first time ever.