National Disaster Response Force NDRF, country's elite disaster mitigation combat force, has tied up with about 30 PSUs for enhancing capabilities to jointly tackle man-made or natural emergencies. <br/><br/>A coordination meeting in this regard was held this month between NDRF and prominent Public Sector Undertakings like ONGC, GAIL, Air India and those in the mining and shipping and heavy industries sector. <br/><br/>Talking to reporters in New Delhi NDRF Director General O P Singh said he effort is to build a good synergy between both the organisations and to ensure that in case of any emergency or disaster the two sides can act as one strong unit.