Issue in white board >> Add job

Issue( job title) :- In job title taking special characters and numbers when user add numbers and special characters under the field the error message should display As "please enter minimum 4 characters " and when he click on submit please enter valid Title
Issue ( Area ):- In Area taking special characters and numbers when user add numbers and special characters under the field the error message should display As "please enter minimum 4 characters " and when he click on submit please enter Area
Issue (city):- In city taking special characters and numbers when user add numbers and special characters under the field the error message should display As "please enter minimum 4 characters " and when he click on submit please enter city
Issue (district):- In District taking special characters and numbers when user add numbers and special characters under the field the error message should display As "please enter minimum 4 characters " and when he click on submit please enter District
Issue (state):-In state taking special characters and numbers when user add numbers and special characters under the field the error message should display As "please enter minimum 4 characters " and when he click on submit please enter state
Issue (Pincode) :-In pincode It was taking characters and special characters in the input text field but it contains only up to 6 Numbers in the input field
Expected Result :- in job Title,Area,city,district,state must contains only characters in the input text field
Actual Result:- It was accepting special characters and numbers in the input text field