Marthui gascomapny
Asking howmany days i get after booking a gas cylinde

Sir,

i have one cylinder in m y father name, if i book a gas how may days i get the cylinder, in once i read the news paper u have one cylinder there can get immediately booking the gas, so i am asking .when i get the gas after booking . if i book before i get delivery i should give old cylinder with gas which i get 10 days or 5 days .pls suggest me immediately