The phrase "Do One Thing" is often used informally in many languages as a way to introduce or preface a suggestion, solution, or piece of advice. It serves as a polite or conversational way to signal that the speaker is about to offer a recommendation or help with a problem.
"Ek kaam karo" - The use of "Do One Thing" or its equivalent can vary in different cultures, but its purpose remains the same It's a way to indicate a willingness to assist and to guide the other person toward a potential resolution.