Biratnagar is too small to be called metropolitan city.
Last time metro banauda biratnagar ra birgunj lai fully sabai criteria meet nahuda nai upgrade gareko ho. Terai ma Kathmandu, Lalitpur jasto sano metropolitan city thik hunna. It should mege budhiganga gaupalika and extend towards the northern side. This will increase its area, population and revenue collection as well. This will make biratnagar nearer to Itahari and Sundarharaicha as well. Bichma malai ali man naparne thau chai duhabi ho, teta ajhai road expansion vaisakeko chaina hola. Also duhabi can be merged with Itahari.