Check zones, not whole sentences
Don’t read a sentence hoping the error “feels wrong”. Instead, run it through a fixed checklist of seven zones where the error almost always hides. This turns a vague hunt into a quick scan.
हिन्दी: error “महसूस” करके मत ढूँढो — इन 7 जगहों को एक-एक करके check करो, गलती वहीं मिलेगी।