Category CCT heading No code Description ( 1982 ) pieces / kg g / piece 51 55.04 55.04-00 Cotton , carded or combed 52 55.06 55.06-10 , 90 Cotton yarn , put up for retail sale - 53 55.07 55.07-10 , 90 Cotton gauze 54 56.04 Man-made fibres ( discontinuous or waste ), B carded , combed or otherwise prepared for spinning : B. Regenerated textile fibres : 56.04-21,23,28 Regenerated textile fibres ( discontinuous or waste ), carded or combed 55 56.04 Man-made fibres ( discontinuous or waste ),