Royal Enfield — vehicle is running unbalanced

I regret to inform you that my royal enfield 350 classic bearing reg no wb 38 ag 2761 having balancing problem on front wheel. I regularly serviced my vehicle at s. G. Automobile service center asansol which is your authorised as per institution of the said service center. I serviced my vehicle and paid. Still the problem has not been rectified.
I am an unsatisfied customer of royal enfield service. I hope that customer service of royal enfield take my griviance sincerely.