My son was working is automative company in bangalore. He is now working in singapore in the same company .
Can father efile ITR1 for 2019-20 on behalf of son who is working in singapore from JAN 2020 onwards
One can file ITR online from anywhere, he himself can file it through IT dept’s e-filing portal..
Related article : https://www.relakhs.com/ay-2020-21-income-tax-return-filing/