ढक्कन वाला तेल लैंप | Patented Kalkipuri Insect Free Oil Lamps. Fully Covered Removable Lid for Lamp To Prevent the Fall of Insects into Oil. Patent Pending. Regd. Design Patent Nos. 225592, 301639 & 306090-001. Inventor: Kalki. Address: Kalkipuri, Edavannappara, Malappuram Dt. – 673645, Kerala, India. 0483 2724372. Whatsapp: 7907456154. Email: support@kalkipuri.com. Web. shop.kalkipuri.com.