Birla Surya Limited · Birla Power Solutions Limited · Sahayog Super Gas Private Limited · Birla Research & Lifesciences Limited · Birla Cotsyn (India) Limited · Birla Shloka Edutech Limited · Birla Pacific Medspa Limited · Melstar Information Technologies Limited · U85100 Mh2008 Ptc184689 · U24100 Mh2008 Ptc177694