Bajaj Auto — head oil leakage

Im m. Sivakumar in periyanaickenpalayam coimbatore tamilnadu
Sir i purchased my bike in 2016 but oil leakage in the head within 400kilometers, i already complaint four times service manager try to stop the oil leakage but could not clear until 26000km, im not intrest to ride my bike, please replace this part, i[censored] not clear this time i will go to consumer court.
Servicepoint is achinthiya bajaj mettuppalayam.
My mobile no.[protected]