BITOSA (Birla Institute of Technology Old Students’ Association) Global is the Official BIT Mesra (A 60 year old institute, with 9 campuses and home of 50,000+ BITians) Alumni body, and an umbrella organization that has been formed to co-ordinate the activities of its various alumni chapters. It has 18000+ registered alumni and has 9 chapters in USA (SV), Ranchi, Mumbai, Delhi, Bangalore, Pune, Uttar Pradesh, Gujarat & Kolkata. Jaipur is the 10th and youngest chapter under the umbrella organization.