New Delhi, Dec. 22 -- A fake premium mobile phone manufacturing unit has been busted in central Delhi's Karol Bagh, and four people arrested for operating the illegal facility from a rented shop and duping customers, police said on Sunday. Police said four people identified as Hakim, Rahul (single names), Mehtab Ahmed Ansari, and Ravi Ahuja were apprehended red-handed while assembling mobile phones inside the illegal unit. The accused allegedly used to assemble the phones using spare parts and accessories imported from China and would paste fake IMEI stickers with "Made in Vietnam" tags, and later sell off these as the latest Samsung models for Rs.35,000-45,000 per phone from this unregistered facility, said officials. According to police, ...