Thanks for your reply and suggestion.You should also have your wife increase ielts score. People have already awared of express entry. An average of 200 with 441 crs entering the pool every day. Also be serious about your age, it will drop 5 point each birthday coming.
Based on all the replies I have received here, and also based on current trend, Yes, I'm planning to get my wife to take IELTS again after training.
My bday just got over on 7th Jan., So no points decrease till next Jan. Wishing for my wife to get all 7s in IELTS to increase my points to close to 450.