Arvind Kumar with Kadamai Education and Social welfare trust is offering 24/7 free medical oxygen service using autos, cars and bikes over the last three weeks, the service has touched the lives of many families spread across Chennai city. They are also providing free oxygen concentrators on doorsteps. 

<p>Arvind Kumar with Kadamai Education and Social welfare trust is offering 24/7 free medical oxygen service using autos, cars and bikes over the last three weeks, the service has touched the lives of many families spread across Chennai city. They are also providing free oxygen concentrators on doorsteps.&nbsp;</p>

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