Here are some best practices that we can easily follow....

1. Our goal should be to satisfy the customer by early and best delivery of the valuable software.
2. Good to have the change in requirements even after late development of product. Agile process harness change according to the customers need and competitive advantage.
3. Should handover the working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale.
4. The Business personals and developers should work together daily throughout the project.
5. Development of project should be handoverd to motivated people. we should Give them all the environment and all the support they need, and trust them to get the job done within the time slice .
6. Face-to-face conversation is the most efficient, effective method of conveying information to and within a development team.
7. Working software is the primary measure of progress.
8. Agile processes promote sustainable development. The sponsors, developers, and users should be able to maintain a constant pace indefinitely.
9. Focus and attention to technical excellence and agility.
10. Simplicity is the art of maximizing the amount of work done effectively .
11. The best architectures, requirements, and designs emerge from self-organizing teams.
12. At time to time ,the team reflects on how to become more effective, therefore they tunes and adjusts its behavior accordingly.