briefly explain any 4 factors to be considered while selecting a form of organisation

The answer to your question is already covered in our revision notes of Business Studies XI. Follow the given link and scroll down to the topic 'factors to be considered while choosing a form of business organisation to view the same.

https://www.meritnation.com/cbse/class11-commerce/revision-notes/business-studies/business-studies/forms-of-business-organisation/1161_5365