7 months is a large time to prepare if you are focused. Follow the following tips and you are done:
- Know your priorities.
- Keep your life simple and sorted.
- Be focused.
- Do consistent practice and study.
- Maintain a time table on daily basis.
- Do take short breaks and pamper yourself.
- Take studies as a necessity and not a burden.
- Take help without hesitation.
- Believe in yourself.
Best of Luck!