Royal Enfield — new purchase - manufacturing fault

Address:

New Delhi, Delhi

We purchased classic 350 cc royal enfield ch no me3u355c1jd704058 e no u3s5c1jd360271 colour gun metal grey from lamba enterprises put ltd, opp metro pillar no 535, tilak nagar inv no inv[protected] dt[protected].
On 1st service at 563 km. Lamba workshop, subhash nagar. They admitted that bike has manufacturing defect.
Fault
Gear shift problem
Engine weird noise