The Tamil Nadu Government has extended the investment period for establishing liquid medical oxygen plants in the State upto 31st of December  2022. The Government order issued today said that the special package of incentives will be to promote investment in manufacture of oxygen concentrators, oxygen cylinders, medical oxygen and large liquid medical oxygen plants in the State.<br />'' <br />''<span style="color: #222222;">Two large companies have expressed their interest to manufacture oxygen. The Government has assured land cost incentive, stamp duty incentives, electricity tax incentives, training subsidy, intellectual property creation incentive and quality certification incentive for oxygen manufacturers.</span><span style="font-weight: bold;">   </span><br />