Any river in the world has very high environmental value. The environmental status of any river anywhere in the world indicates environmental status of that region. River Baghmati considered as a holy river for both Hindus and Buddhist in India and Nepal. In Nepal the Ministry of Physical Planning and Works has drafted a bill to form the existing `High Powered Committee for Integrated Development of the Bagmati Civilization (https://www.ngoforum.net/index.php?option=com_content&task=view&id=7105& Itemid=6). During last election in Nepal, issues of river Bagmati were listed in their election manifesto. So many holy temples are situated on the banks of river Baghmati. One ancient temple is also in Sheohar in Dekuli one km away from the bank of river Baghmati. Baghmati River enters Indian territory in Bihar in village Shorwatia in Sitamarhi district, nearly 2.5 Km north of Dheng railway station. Total length of river Baghmati is about 589 Km. It traverses nearly 195 Km in Nepal and rest 394 Km in Bihar.It outfalls in river kosi at Badlaghat in Bihar (https://fmis.bih.nic.in/Riverbasin.html#Bagmati). The social and cultural practices around the bank of river Baghmati is called Baghmatian society. In Baghmatian society many religious and cultural practices are just because of river and its seasonal flow. It may not be an exaggeration to say that river Baghmati has immense influence in developing the life style of people. In context of Nepal and Bihar Baghmati River not only have environmental value but also have high social, cultural and historical value.