Sri Venkateswara Carbonic Gases [P] Limited supplies Helium Gas for Industrial and Medical Purposes. Sri Venkateswara Carbonic Gases [P] Limited is the manufacturer of industrial gases like industrial nitrogen gas, industrial hydrogen gas, liquid hydrogen gas, liquid nitrogen gas, etc. Helium Gas for Industrial and Medical Purposes is much lighter than air, and has the advantage over hydrogen. Helium Gas for Industrial and Medical Purposes is also used for balloons, blimps, airships, and for breathing into make a squeaky voice. It is also used for industrial and medical purposes.