LG Electronics — Problem after servicing of split ac

Address:

Gautam Buddh Nagar, Uttar Pradesh, 2010301

Dear sir

your mechanic has serviced my AC on 29-3-16 by RNA[protected]. after that it started leaking from front. i have told your call cente about this unsatisfied service.there was no problem in last year.but after service this problem started.i got from call centre that visit is chargble.
i already informed you about my problem of water leakage from indoor unit after 1st servicing.servicing was on 29 march 16.if after servicing i am facing problem what does it means?why should i pay for another time servicing charges?