Hyundai Motor India — battery drain in one week when car is stand continue one week

Address: Sambalpur, Odisha, 768212

A have face battery problem last 3 years. I have hyundai i10 sports 2011 model. My car battery discharge in 1 week, when car is stand condition in continue one week. I checked in service center hyundai aakasdeep sambalpur odessa but problem not solved. Than i have checked self with multimeter in battery negative terminal, i found battery take 0.15 amp this time all switch is off condition. Than i checked one by one fuse removing i found room lamp fuse when removed battery load is 0.0 amp, than re connect room lamp fuse battery load is 0.15 amp show in multimeter