To address the unresolved gear issue in your father’s Swift (KL75A 7448), urgently escalate the matter to Maruti Suzuki’s regional customer care by calling 18001021800 or emailing contact@maruti.co.in with full details and service history. Mention your father’s age and the critical need for a reliable vehicle. If the issue persists, lodge a complaint via the National Consumer Helpline at 1800-11-4000.