My wife is onemonth pregnant ,howcan we do abortion at home as we already had one child age 1 years so we don't want second child right now

For future reference, there is "the morning after" pill~but that needs to be taken within 24-48 hours after unprotected sex. It's a little late for that now. Do you have a clinic you can go to? They do have pills that will cause one to abort at home, they also have to insert something into the cervix to cause it to dilate. It's a bit uncomfortable (so I've been told). You'll have to go to a clinic for that though~no "Do it yourself abortions" are available. For your wife's safety please go to a clinic. Hope that's helpful... Wish you the best.

Please go to the clinic, there are abortoin pills but you will need to see the doctor for these