why should we write pin code of the city in the address?
sorry by mistaken i forget to writepin code in second statement
"it is not necessary to include pin code in address"
this makes a letter more decriptive,as we know that all places have been divided into many pin code so that the address of the receiver is defined and also it becames easy for the delivery of the letter
i also want to include that it is not necessary to write address but i suggest u to write it.hope it will clear ur doubts
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