Companies located in India, involved in extraction of crude petroleum and natural gas; service activities incidental to oil and gas extraction excluding surveying,with vintage of more than 25 years,having paidup of 1 crore - 5 crores and registered in RoC-Kolkata
*Industry classification is derived from National Industrial Classification. If the company has changed line of business without intimating the Registrar or is a diversified business, classification may be different. We make no warranties about accuracy of industrial classification.
