A Silambarasan (52kg), Kailash Gill (75kg) and Abhishek Beniwal (81kg) exhibited great skills to defeat their respective opponents.
Silambarasan, who recently won the gold at the 2012 Indo-Sri Lanka Duel Boxing championship in Colombo, went up against Kazimov Natig of Azerbaijan.
The 17-year-old dominated the proceedings from the word go and through all three rounds of action, his counter attacks did most of the damage.
The Azerbaijani boxer had no answer to the Superior tactics of Silambarasan. He went on to make his place in the round of eight of the fly weight category with an impressive score of 5-0.
In the middle weight division, Gill, the former Junior National Champion, made a stunning comeback from being down in the bout to overpower Farzali Taleh of Azerbaijan in what turned out to be a thrilling contest.
The first round went in favour of the host boxer, but the Indian came back strongly in the next two rounds to win 3-2. His strong right jabs and hooks being the most potent of his punches.
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In the quarter-finals Kailash will take on Amir Chopurov of Georgia who scripted a striking performance in his opening round bout, knocking out his opponent in the first round itself.
In the light heavy weight category, Baneiwal too, was in sublime touch as he powered through into the round of eight with a stunning victory over Imnov Pasha, also form Azerbaijan.
The 18-year-old made full use of his long reaching arms and his hard hitting combinations to get the better of Pasha 5-0.