It is advisable to voluntarily file ROI in India due to the following reasons:
i. To claim refund of excess TDS, along with interest@ 6% p.a.
ii. To be eligible to carry forward losses to be set off against future incomes, if any
iii. To claim benefit of lower tax under DTAA, if applicable
iv. The updated tax information/ records help NRIs
• To comply with procedural documentation for repatriation of income and assets from NRO a/c to NRE a/c / Overseas a/c.
• Have ready records as and when he / she returns to India or have to submit the said documents in his/her country of residence.