Four persons were arrested here on Tuesday for their alleged involvement in black marketing of oxygen cylinders in two separate cases, police said.
Acting on a tip off, police arrested the accused, Vishnu and Vikas, for illegal trading of cylinders at their agency -- Balaji Jeevan Dayani -- in Kalyanpur locality in the Gudamba area, Police Commissioner DK Thakur told PTI.
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Police recovered 87 empty oxygen cylinders and ₹1 lakh from their possession, the officer said, adding the accused have confessed to the crime.
In the second case, two men -- Ikram Ali and Ayush Shukla -- were arrested from Gomti Nagar area and 10 filled jumbo oxygen cylinders and eight empty cylinders were seized.