Ziaur Rahman and his compatriot FM Mohammad Fahad Raman both earned 3 points each.
In the 4th round games, GM Zia drew with Pratik Patil of India while FM Fahad drew with GM Debashis Das of India.
A total of 16 players from Bangladesh were participating in the grandmasters event of the tournament.
Among them, Tahsin Tajwar Zia earned 2.5 points while Md Anisuzzaman Jewel, Mezanur Rahman and Md Shahdul Islam earned two points each.
Tahsin beat Kaushik Iyar of India, Jewel drew with Barik Jaghdish of India, Mezan drew with Tejas Suresh Kumar of India, Shahid beat Vaibhav Kalpala of India.
Avik Sarker and Md Hafiz Bin Islam Rony earned 1.5 points each while Md Tipu Sultan, Sazzad Kishor, S C Sarker Shyamal, Abu Lish Ansary and Jadunath Biswas earned 1 point each.
Md Abzid Rahman earned 0.5 point after 4th round games.