Sec 10 (14) says " any allowance to meet the expenditure for purchase and maintenance of UNIFORM for wear during the performance of duties of an office" is tax free to the extent the allowance is utilized for the purpose specified hence if your company is not having a policy for Uniform then it is wrong procedure to add attire allowance in CTC.
All other mentioned reimbursements are fully exempted from tax hence Company can provide these heads for more tax benefits to its employees against actual bills.