Royal Enfield — i am complaining about irresponsibility of the staff

Address:

Sai Ram Autocraft Service (Royal Enfield) Service Center.Address: No. 102, 1, Outer Ring Rd, Kamadhenu Nagar, B Narayanapura, Mahadevapura, Bengaluru, Karnataka 560016, 560016

5/12/2019 i given my bullet standard 350 for my 5th paid service.
Sai ram autocraft service (Royal enfield) service center. Address: no. 102, 1, outer ring rd, kamadhenu nagar, b narayanapura, mahadevapura, bengaluru, karnataka 560016. They put oil quantity 1850ml only. I could't see the oil level. And the asked them, then they miss behave with me. After the mechanic started my bullet without oil infront of me. I felt very bad experience.