S. 90 :Double taxation relief-Filing of Form No. 67 read with rule 128 is only directory in nature and not mandatory-Belated filing of Form No. 67 would not bar claim of Foreign Tax Credit (FTC)-Dividend income from USA based company-Rate of tax on said income is already prescribed under India-USA DTAA, same shall prevail over and above normal tax rate provided under Income-tax Act-DTAA-India-USA. [S. 143(1)(a), Art. 10, 25, R. 128, Form No 67]