Hello,

First of all there's no point thinking about the past, it's gone and if you want to do well in your career or even life, focus on the present, in order to achieve success in anything whether it's GATE that you want to try or some other government jobs, you have to study and put in the required efforts, there is no other way to success, have a positive mindset and attitude, in the meantime keep yourself busy, you may learn certain in-demand skills and improve yourself, sign up with job portals, and seek job opportunities, and in addition to this, keep preparing for the exam you want to appear, as you've done BTech in Civil Engineering, if not anything there are much scope in Ed-Tech industry, with the advent of technology and demand of quality education, this field is flourishing and you may take up various jobs such as Subject Matter Expert, Faculty or Content Development etc, at least when you'll invest your mind in something productive, it'll help in a good manner. And, in order to prepare for government exams, get acquainted with the syllabus, have the required study materials, go through previous year paper for analysis etc.

See, you have to understand we all have our own share of struggles but it's only up to us, to take the first step and be persistent to sail through this, you should try doing meditation and yoga, it'll calm you and further you'll get a deeper clarity regarding things in your life.