BDSA Is a leading bathymetric survey company in BD, specializing while in the correct measurement and mapping of underwater environments. Our bathymetric surveys are crucial for coastal enhancement, maritime navigation, and environmental conservation initiatives throughout Bangladesh. বিভাগীয় কমিশনার মাধ্যমে জেলা প্রশাসকের স্বয়ং সম্পূর্ণ প্রস্তাব In 1784, pitt's india act was https://sbscltd.com/land-survey-bd/