The format is veneral assuch and no particular specific format been askedfor.



You can use following professional medical format which is accepted across colleges.





http://udhampur.nic.in/citizen/pdf/medical.pdf&ved=2ahUKEwi0xMa87LncAhUMSI8KHY-6CXUQFjAGegQIBhAB&usg=AOvVaw214OsgqsFiB1h8zI_JQ_zq





Make sure doctor stamps and sign son certificate to make it vakid an dhave sufficient xeroxcopies.