HPCL and Mittla Energy Ltd joint venture received an approval form environment industry for the polymer addition project at its Guru Gobind Singh refinery and complex in Bhatinda. The propsed project will have 1.2m tonnes/year naphtha cracker, two linear low density polyethylene/high density polyethylene (LLDPE/HDPE) swing plants of 400,000 tonnes/year capacity each. The unit is likely to incur an investment of Rs.196.4 billion and will be completed by 2021.