Gaurav Rai, now known as Bihar's 'Oxygen Man', has saved over 1,500 lives across the state by providing oxygen cylinders free of cost to critically ill patients in home isolation.<br />'' <br />''After recovery from Covid-19 last year Mr Rai started  oxygen bank at his Patna home.<br />'' <br />''His effort has proved to be life saver for many patients, particularly at a time when the second wave of the virus has battered Bihar.<br />'' <br />''AIR Patna Correspondent reports, people hardly know him by his real name Gaurav Rai  in Bihar, but if one mentions of  'oxygen man' and he is instantly recognised as the life-saver of critically ill COVID-patients in times of severe oxygen shortage .<br />'' <br />''At a time when hospitals were turning away COVID-patients due to shortage of beds and oxygen cyclinders, Gaurav Rai has come across as an 'angel' for the distressed, attest several patients who have got a new lease of life due to his efforts.<br />'' <br />''He started the initiative in July 2020 with just three oxygen cylinders and now there are 122 cylinders.<br />'' <br />''Mr Rai who is general manager in private company  spends  Rs 20,000 per month from his salary and also a share of his  wife's earnings for the purpose.<br />'' <br />''The day  starts at 5 am for the 'oxygen man' who transports the cylinders in his own car to serious COVID patients.  <br />''<br />''<span style="color: #222222;">The oxygen bank extends services in different districts including  Patna, Buxar, Bhagalpur, Siwan, Gopalganj and  Gaya.</span><br />