bids are invited for running contract for supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications - supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications in purchaser cylinders of 6 cum capacity including transportation of filled / empty cylinders from / to npcil store at rr site kota , running contract for supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications - supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications in purchaser cylinders of 6 cum capacity including transportation of filled / empty cylinders from / to npcil store at naps narora up , running contract for supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications - supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications in purchaser cylinders of 6 cum capacity including transportation of filled / empty cylinders from / to npcil store at kakrapar gujarat , running contract for supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications - supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications in purchaser cylinders of 6 cum capacity including transportation of filled / empty cylinders from / to npcil store at tm site tarapur maharashtra , running contract for supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications - supply of helium gas purified to 99.995 percent minimum purity as per the table 1 of technical specifications in purchaser cylinders of 6 cum capacity including transportation of filled / empty cylinders from / to npcil store at kaiga site, karnataka , running contract for supply of helium gas purified to 99.995 per