Buy Kalkipuri Products Patented Kalkipuri Insect Free Oil Lamps. Diya Lamp. Patented Fully Covered Removable Lid for Lamp To Prevent the Fall of Insects into Oil. Its Wick Hole Caps are used when only two wicks are in use which acts as a shutter to prevent fall of insects into oil through the unused wick holes. Patent Pending. Regd. Design Patent Nos. 225592 & 301639. Inventor: Kalki. KALKIPURI PRODUCTS, Kalkipuri, Edavannappara, Malappuram Dt. – 673645, Kerala, India. 0483 2724372.. Whatsapp: 7907456154. Email: firstname.lastname@example.org. Web. shop.kalkipuri.com. GSTIN: 32AOHPK0020P1Z7. UAM: KL09A0006047.