Nizamuddin Trivandrum Rajdhani. One way cost is ~7500. It is the costliest rail ticket in General Category. You can book 6 tickets in one form. To and round fare for 6 will be around 1 lac (100,000) in one reservation slip. Pay with cash at the counter, cancel it later for WL cancellation fee of paltry 100–120 and get brand new notes.

Unfortunately ticket for 1st AC are not available for most of the days. Status is REGRET but no one will be travelling.