Thanks for attaching both the reports.
After comparing the two ECHO it looks like you are suffering what is known as mitral valve prolapse
which is a congenital condition, it is not a serious condition, however you will have to visit your doctor once in 6 months for follow up.
People with mitral valve prolapse often develop slight enlargement of the heart due to back flow of the blood due to the prolapse. This has not yet happened in you and it looks like your heart apart from the mitral valve prolapse is healthy. Mild TR could be because of long standing MVP
which is nothing to worry about
Here are my suggestions to you
1. Avoid strenuous exercises like weight lifting and trekking until you get a thread mill test done to rule out stress
induced ECG changes
2. Follow a low salt diet as much as possible
3. Monitor you blood pressure every once in two to three months
4. Please go back to you doctor immediately in case you develop breathlessness, swelling of the leg, chest pain
I hope I was of help, if you have any further queries please get back to me
I wish you good health