NEW DELHI: Even as the recovery of over 500 oxygen concentrators from the famous eatries in Lutyens Delhi has been transferred to the Crime Branch, several prominent people have come on the radar of the Delhi Police, including Navneet Kalra who owns three of those restaurants. The BJP has demanded strict action against people hoarding oxygen concentrators and selling them on high prices amid the devastating second of the Covid-19 pandemic in the country. According to senior Delhi Police sources related to the probe, the oxygen concentrators were being imported from China since October 2020 for as low as Rs 12,000 to Rs 20,000 and were being sold via online portals and WhatsApp between Rs 50,000 to Rs 70,000. The sources said that the police has recovered several WhatsApp messages the discussing sale of concentrators. However, it is yet not clear if these messages were sent by Kalra. The sources have confirmed said that it has received an audio recording where Kalra is purportedly heard saying that he cannot answer all calls as he was under immense pressure to deliver the concentrators. (IANS)