You need to have the following, after stamping your RP.

1. Attested Marriage certificate (Embassy of your country and Foreign affairs)
2. Attested Birth Certificate (UAE Embassy, and Foreign affairs)
3. Attested Educational Certificate (Embassy of your country and Foreign affairs)
4. Passport copies
5. Company's letter
6. Filled application forms
7. Tenancy Contract or Kahramaa payment receipt
8. Bank account statements (six months will be enough)