Congratulations
Congratulations: Congratulation means expressing happiness about someone's good luck, success, or achievement. We express congratulation by saying: i. Congratulations on your engagement. ii. I was delighted to hear about your success in the exam. iii. I was delighted to hear that you did very well in the exam. iv. Well done, boy! v. Well done! Responses: i. Thank you, sir. ii. Thank you. iii. Thanks a lot. iv. Thanks.