Pin Code of Tengara B.O is 784148, DARRANG, Assam November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Tengara B.O, DARRANG, Assam Tengara B.O Pin Code : 784148 The Pincode 784148 of Tengara B.O represents Darrang Division post office in DARRANG revenue district which comes under the Assam Circleof NA. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.