This category includes allowances which are exempt upto certain limit specified in Income Tax Rules. For certain allowances, exemption is dependent on amount of allowance spent for the purpose for which it was received and for other allowances, there is a fixed limit of exemption.
Examples:
Children Education Allowance (maximum 2 children) Rs. 100/- p.m. per child
Children Hostel Allowance (maximum 2 children) Rs. 300/- p.m. per child
Transport Allowance Rs. 800/- p.m. Or Rs. 1600/- p.m. (for handicapped)