An ordinary Resolution can be passed at short notice by a simple majority of shareholders. A special resolution require a super majority nad that shareholders be notified of the special resolution ahead of time(specified time). A special resolution ultimately gets added to the Articles of association upon acceptance by the Registrar of companies.
Special resolution is passed at the general meeting of the company by 75?% of those members entitled to vote and written resolution unanimously passed by the members of the company.
An ordinary resolution only requires a majority, whereas a special resolution requires 75% agreement
Ordinary regulation have a routine nature,while special regulation passed for special reasons