GRIHAYAN LIMITED (A concern of SAIF Power Group) has become one of the largest Digital Land Survey, Soil Investigation, and Consultancy Firms in Bangladesh since 1990. Engr. Mrinal Kanti Barua was our inspiration and created history in Bangladesh as a survey firm. Chronologically Grihayan was established in Dhaka as a Digital Land Survey Firm, Digital Soil Investigation in 2009. Grihayan launched
the GIS and Urban Planning unit in the year 2012 and the Digital 4th Generation UAV DRONE survey in 2015. As a professional, it has 32 years of experience. The mission is to achieve Online Digital Survey in the year 2015. GRIHAYAN LIMITED introduces Consultancy services on Steel Structure, Civil Construction, Architectural, and Structural Design as well as Export-Import Trading.