Always prefer Transport Allowance (TA) claim as per the actual mode of travelling. Do give true declaration of dependants for availing medical, Leave Travel Concession (LTC) benefits etc.
Don't prefer false personal claims, such as medical; Hotel Bills, Leave Travel Concession (LTC), local conveyance. Daily Allowance, transportation of personal effects on transfer etc., for petty gains. Such acts being intentional in nature may entail stringent punishments.