One Non-resident Indian (US National) as per number of days stay in India, his residential status is Resident but as per DTAA his residential status is NRI, as he fulfills criteria of permanent residency in USA and he has center of vital interest in USA.
For Income tax return filing purposes, his status will be NRI OR treated RESIDENT and his global income will be taxable and credit for tax paid in USA to be taken under section 91.
TaxTMI