Aman Kumar Katiyar

Construction of utility projects n.e.c.

Other civil engineering projects n.e.c.

Site preparation including drilling, boring and core sampling for construction, geophysical, geological or similar purposes

Other site preparation activities n.e.c.

Construction of buildings carried out on own-account basis or on a fee or contract basis

Activities relating to alteration, addition, repair, maintenance carried out on own-account basis or on a fee or contract basis

Assembly and erection of prefabricated constructions on the site