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If it's the question about the low is, then I suggest you to introduce him to some practical work, like getting him into an ITI course. There he will be able to gain practical knowledge with proper instructions. If he is refuses to do that, then Try whatever he is good in like painting, singing, dancing, music, sports, etc. And support him to do the same. Career wise it is good but he must be really good at those things. The last option may be to give him a start up for small business like grocery store, barber shop, a small restaurant, etc. Also about the low iq do not worry there are thing that can be learnt for the first time and with practice people get better ATIT. He will just need your support. Hope this helps.