Christian Mining company, the largest mica mining company in India with nearly 100 square kilometers of mining area in Bihar ( now Jharkhand) was taken over by Agarwala Brothers in 1946 & and it was renamed as Christian Mica Industries.OTC International an associate firm also part of the Agarwala brothers possesses mining & large factories . its facilities being situated in different parts of the state of Jharkhand .We produce Mica Sheet & Films , Mica Block , Book Form & Loose Splittings , Fabricated Mica Parts, Mica Scrap, Mica Flakes/Powder for various purposes , serving different industrial needs. OTC has highly experienced and skilled team .Under the CEO Mr. B.B. Agarwala having an experience in Mica of almost 4 decades , & his team of skilled staff & workers , we follow strict quality control . thus orders and specifications are met aiming zero percent error. After export orders are met, the remainder is sold by the domestic market. QUALITY COMES FIRST!Large orders are met at short notices !3 Large Factories & Mining in the State of Jharkhand Distt Koderma , with State of the Art Processing & Grinding Units .