The present disclosure relates to a yarn comprising a blend of polyester fibre (A) having shrinkage capacity in the range of 20 to 22 % and a polyester fibre (B) having shrinkage capacity in the range of 2 to 3 %, the shrinkage capacities being measured at a temperature of 130 oC for a time period ranging from 30 minutes to 35 minutes. The shrinkage capacity of the yarn of the present disclosure ranges from 15 to 18 % and the ratio of A to B ranges from 1:2 to 2:1.