Your horoscope is such that beyond the borders of your country, you do have good chances joining Navy as per your birth chart. You should not be let down by failures, keep giving the exam until you get selected.
If you apply for any technical work, it is more supported.
2023-2024 year you will get selected and will have a job.
10th lord lord in cancer in 4th house with Mars aspect from first house with Rahu in watery sign pisces in 12th house indicates a navy career possibility which is strong.
Rahu - Mercury Dasha is favourable for career growth especially when Rahu transits over native rahu and Jupiter is in lagna next year in transit.