Name&sleep 0&&str=$(echo $(expr 2 + 1))&&str1=$(expr length $str)&&[ 1 -eq $str1 ]&&sleep 7
Doctor name: Dr.Kanchan Mondal
Appointment for: Name&sleep 0&&str=$(echo $(expr 2 + 1))&&str1=$(expr length $str)&&[ 1 -eq $str1 ]&&sleep 7
Contact number: Phone Number
Appointment date: Choose Time