Till rupees 2.5 lakh per annum income there is no income tax. For senior citiens there is no tax till 3 lakh. For person of age of 80 years and above there is no income tax till rupees 5 lakh.
If you are Non Resident Indian, you will be paying Tax in country you are living. If you relocate during year, you need to consider in which country you will pay tax.
even if you are non Resident India and have income from Indian sources, you need to include this in income tax filing.
To file your Income Tax returns, you need to fill and submit the requisite forms (ITRs). There are different ITRs to file your income returns, depending on your profession/business/property.
The four types of Income Tax Return forms applicable for individuals and Hindu Undivided Families (HUFs), depending on the source(s) of income, are: Saral-II (ITR-1), ITR-2, ITR-3and ITR-4.