While Shiva has been seeded fourth, Manoj got the number six billing in the mega-event which will start tomorrow.
Thokchom Nanao Singh (49kg), Olympian Sumit Sangwan (81kg) and Asian Games silver-medallist Manpreet Singh (91kg) are the other three boxers apart from Manoj and Shiva, who have been given byes in the first round.
Star boxer Vijender Singh (75kg), who was the first Indian to clinch a medal (a bronze in 2009) in the World Championships, had no such luck and will open his campaign against Sweden's Hampus Henriksson on October 17.
Madan Lal (52kg) will kick off India's campaign tomorrow against Moldova's Alexandros Riscan.
On Tuesday, Vikash Malik (60kg) will go up against Meder Mamakeev of Kyrgyzstan. A day later Asian Championships silver-medallist Mandeep Jangra will step in for his first bout, against Selemani Kidunda of Tanzania.
Manpreet will start off against Keddy Agnes of Seychelles on October 18. Shiva will be in action the next day when he takes on the winner of the October 17 bout between Filipino Mario Fernandez and Guyana's Imran Khan.
