Industrial Prospect of Ayurvedic Laxatives

I like to know about the ayurvedic laxatives ,the industrial prospect in India as well as in World.The consumer buying behaviour for launching new product in market ,Statistical data ,market trends,funds invested in the market ,major players in the market,most effective product .I require it for study purpose.Effectiveness of herbal laxatives,CLASSIFICATION ON LAXATIVES,CASTOR OIL AS LAXATIVES etc.WHAT age group mainly suffer from constipation,root causes.The people of which country suffer most from constipation-reason behind that.how the survey samples can be analysed in best manner.What is distinction between laxative & purgative.which company is producing best type of laxatives,name the product.how laxatives help to control weight gain.Is it harmful use laxative daily.what type of laxatives can be used daily.Is there any side effect?From which age laxatives can be used?Is it harmful for child? if yes then why.is constipation hereditary?how it can be cure completely.can changed food habit cure constipation.what type of diet is good to treat constipation.is the tendency of constipation is increasing amongst people.if yes then how it can be checked? what type of life style change is required.can medication is safe to cure constipation.if yes then what type of medicine.is yoga useful then what type of yoga.is exercise effective in this regard.oif yes then what type of exercise.can fast food cause constipation.what type of fast food requires to be avoided.Do lots of fluid intake treat constipation.how much is required to be taken daily.can constipation ruin general health? is it necessary to clear bowel daily?how we can keep good health? is it necessary to go to bed early and to raise early.is it necessary to do household work without depending upon servant.