Biltech Building Elements Ltd. An Avantha Group company, North Indias only bulk fly ash based Aerated Autoclaved Concrete manufacturer with over 40 % of the AAC market in India (as of Jan 2010). Only player in India with two AAC Plants-One in Palwal-Haryana, Second in Bhigwan Maharashtra and the third one under erection in Kolkata.The products and services of Biltech Building Elements Limited are widely recognised as a commodity and a credible alternative to the conventional building materials & are being widely used in residential, institutional commercial, industrial & other applications all over the country.