1, If you are in RP you can able to renewal the passport in business visa you cannot...
2, Yes...you can able to convert the business visa to work visa..make sure that you attested the educational certificates before you join your new company….contact sheen services they are providing good services even you can clarify your doughts with them.. website:http://sheenservices.com/contact-us.html- ph-44366147/55974495