Er. Lalhmachhuana SE (Sewerage & Sanitation) leh Er. Lalrinzuala Ralte,EE (RWD) Aizawl te chuan  Ni 16.7.2013 - 19.7.2013 chhung hian Consultation on School Wash and Review Meeting on NBA a tel turin Siver Oak Habitat Centre, New Delhi an pan ang.

Er. J.kapkima, EE (P) (Sewerage & Sanitation) Circle chu Ni 23.7.2013-26.7.2013 chhung Waste Water Treatment including re-use/Recycles training nei turin New Delhi a kal dawn bawk. Department tan hlawkna engemaw tak an rawn hawn ngei i beisei ang.