Securelayer7 Technologies Private Limited · Westrock Constructions Limited · Pratishthan Aqua Technologies Private Limited · Purable Water Private Limited · Parason Ventures Limited Liability Partn Ership · Parason Projects Limited Liability Partn Ership · Pratishthan Industries Private Limited · Parason Machinery(india) Private Limited · Fabtech Projects And Engineers Limited · Ovin Technologies Private Limited · Gazon Communications India Limited · Pratishthan Alloys Private Limited · Authsafeassure Intelligence Private Limited · Vortex Networks Private Limited · Microfab Industries Private Limited