Mark incorrect correct option
a) Trial card used for the purpose of determining the relative advantage of
alternative mail routes or the cause of detention to articles
b) Trial cards are red colour
c) Trial card should not be included in any station bundle
d) All of these
a) Trial card used for the purpose of determining the relative advantage of
alternative mail routes or the cause of detention to articles
b) Trial cards are red colour
c) Trial card should not be included in any station bundle
d) All of these