Haha..Etawah se goods kanpur lucknow hi jaate hein.. Why to take a loop for etawah when guna-bina-jhansi-kanpur sidha route hai. Etawah-Gwalior route is only good for Intercity and passengers.
Agra-Bateshwar-Etawah can be made alternative to avoid Tundla, it will save time too.