For NHAI bonds deduction limited to 50 lacs above 50 lacs deduction not allowed (sec.54EC) and for availing deduction there are some conditions: 1. invested within six months from transfer 2.block in period 3 years 3. sale before completion of 3 years then taxable as LTCG
For availing deduction for investment in new house conditions are (sec.54): 1.purchase within one year before or two years after from date of transfer 2. blockin period 3 years 3. sale before completion of 3 years then CG exempt shall be reduced from COA of new assets