If i choose Wiki01 plan, can I change to Wiki02 and Wiki03 later on whenever I wish if my website needs more space and bandwidth? or what are the terms to change plans? What type of mediawiki support you are providing?
We offer flexible upgrade options on all our MediaWiki hosting plans (https://www.milesweb.com/mediawiki-hosting.php). If you select Wiki 01 plan, you can upgrade to next higher plan at any point of time. We offer MediaWiki support with respect to themes and plugins installations if any. All our servers are monitored 24x7 to prevent hacking and other malicious activities. Mediawiki support includes assistance on themes/plugins installation and software/patches upgrade.
Do you also help in coding and programming etc?
Sorry, we will not help you to resolve coding/programming issues. You will have to get this sorted from your web developer.