What is the difference when we give the repayment by cheque or Salary?

What is the difference when we give the repayment by cheque or Salary?

Answer: - In case the employee had opted to give the repayment from his salary then it will be deducted from the salary paid to him  

In case of the employee had opted to give the repayment through cheque then the employee will repay by submitting a cheque to the employer.