Biplab uiga igoa sili: Gauai, Foafoa, Agalelei, Volatile, Po nei. Aumai Biplab uiga o le suafa.
Nath uiga faaiu sili: Toaga, Faauo, Matuia, Po nei, Volatile. Aumai Nath uiga o faaiu.
Faʻaiu Nath taatele i Bangladesh, Bhutan, Fiti, Initia. Aumai Nath faaiu faasalalauina.
Surnames taatele ma igoa Biplab: Chakraborty, Ghosh, Khatri, Nath, Sutradhar. Aumai Lisi o surnames ma igoa Biplab.
O le tele o igoa tutusa ai ma faaiu Nath: Gopi, Anusmita, Upamanyu, Gokul, Sayantani. Aumai Igoa e aumai faatasi Nath.
Ogatasi o Biplab ma Nath o 82%. Aumai Ogatasi o Biplab ma Nath.