Main aapki baat se sahmat hu. Par mera manana hai ki saal bhar full rahne wali train ko apni full capacity se chalaana chahiye jaise ki maine pahle bhi kaha hai ki 13005/06 jaisi kai trains hai jinme bina kisi problem ke coaches badhaaye ja sakte hai, Toh kyun na unme coaches badhaye jaaye. Jammu Sealdah, Doon Express, Kumbh SF Express (i know operational constraints in Doon and Kumbh Express), Harihar Nath, Sadbhavna Express, Kashi Vishwanath (23Coaches), Avadh Assam Express, NDLS-LKO Rajdhani , NDLS-Rewa SF Express, DBRG-TNSK Express yeh kuchh trains hai jinme coaches badhaye ja sakte hain special occasions ya festivals par.