Does my lot deduct points? what are the grounds for deduction?

Yes they do some deductions. Once you received a notification that the discussion you responded was deleted it will be deducted to your earnings. That's how they deducted. So better yet choose the best discussion which you think will not be deleted. Once it will be deleted it will surely deduct from your earnings.

First of all Annone, THese are not points, these are the numbers of discusions or Responses you started or responeded too. Just go and check your profile. You get the detail description of that. Yes they deduct your discusions and responses , If your discusions or responses are Violating the terms and conditions of My Lot.

Please read the FAQs where you will see that myLot answer all our qiestions. Here is the answer to this one: http://www.mylot.com/o/faq/faq11.aspx#2