Otc International Lenin Sarani, Kolkata, West Bengal

Otc has a thriving export business that enjoys mining support from mines belonging to the agarwala brothers. We supply mica sheet & films, book from/loose splittings, mica scrap, mica powder/flakes for various purpose all over the world.
The name agarwala brothers become synonymous with mica. This group is connected with the mica since over 60 years and is well known in the international markets.
in the year 1946, the agarwala brothers took over the british company, namely chrestien mining company, then the largest mica mining company in india with nearly 100 square kilometers of mining area in bihar and it was renamed as chestien mica industries.
otc international an associate firm also part of the agarwala brothers possess facilities situated in different part of the sate of jharkhand and the firm produces block and sheet mica, fabricated parts, silvered mica plates mica scrap, mica flakes and powder. Mica is sold under the same tradition set by ff christien & company the early eary pioneer in the indian mica industry.