Register with Indian Embassy through e-migrate system for recruitment http://emigrate.gov.in Visa Permit

Demand letter (attested by Ministry of foreign affairs and Chamber of commerce, Oman)

Power of Attorney (attested by Ministry of foreign affairs and Chamber of commerce, Oman)

Contract/ Agreement (attested by Ministry of foreign affairs and Chamber of commerce, Oman)

Above all documents required auto generated through e-migrate system.