Mahindra 2 Wheeler — poor mileage

Address:

Surat, Gujarat

Dear sir/mam,

Maine feb/2010 me mahindra co. ka 2wheeler Rodeo moped kharida dealer ne bataya 55/60 km/ltr milage de rahi he, but 1st servic se hi avrag 20/25 km/l de rahi he uske baad aaj tak 1 baar engeen bhi badlvaya fir bhi 1year pura hone tak avrage nahi de rahi hai aur dealer kuch jawab nahi de rahe hai so plz plz give me solution

my name: Kanu Ahir (Mo:[protected])
Add: 220, Kamalpark Society, l.h.road, Surat-6

mhindra Dealer: Om Motors ([protected])
Add: 9/10/11, Siddhkutir ind. Estat,kapodra,Varachha road,Surat