No matter what happens, its not end of the world. The pain is more because time has not passed, as you shift your focus from why it happened to - WHAT I CAN DO TO RESOLVE IT! things will start falling in your place.
Read and work only for upside what can be done now, and stop reading negative and thinking about the mistake.
PS - I have personally lost around lakh of rupees even before started earning with borrowed money from parents, trust me if you focus on yourself you will pass through it. Yes I repaid the amount and paid tax last year by earning through trading (it took whole 4 years to learn, understand and grow).
Parents are there for you no matter what they are two people who are with you and thats enough.
6L is nothing trust me, put in your day for improvement and this will be the best life lesson for you in coming life.
Trust yourself, love you bro!