Royal Enfield — new bike technical issue arise in a year

Address:

New Delhi, Delhi, 110032

My name is anshul kumar my mobile no is [protected]. I purchased royal enfield 500 cc stealth black on 15/02/2018. R c no is dl13sv5166. Since march 2018 each month there is some problem carried out in my engine and chain gear box, every next day of service engine filter are break and oil are flowing down. I faced so many problem from starting after paid so much money.in a month after service maximum 7 days bike is running good after the same condition happened.
Please solve my problem or change my bike as i think this is a defected bike or some technical issue in bike