Luggage is the correct wedding gift for a sister and it is not close. She is going somewhere immediately after the wedding, she is moving her life into a new house within weeks, and the suitcase she has been using since college belongs to your parents. A three-piece set solves the honeymoon, the shifting and the next five years of travel in one box, which very little else at this price does.
The five sets on this page separate on four things worth checking before you order. Lock: only the American Tourister Liftoff+ states a TSA lock, which matters if the honeymoon involves the US. Warranty: American Tourister, Safari and Skybags each state a three-year international warranty; the Kamiliant and Aristocrat listings state none. Shell: Skybags uses ABS, Aristocrat uses polycarbonate, and the other three use polypropylene. Size: of the three that publish dimensions, Kamiliant's largest case is the biggest at 80cm.
If luggage feels too practical for a wedding, the Titan AiRA is the pick that is unambiguously for her rather than for the couple. That distinction matters more than people admit — most wedding gifts get absorbed into the joint household within a month, and a sister who has just moved into a new family often ends up owning very little that is only hers.
The two headphone pairs are the third path, and the JBL is the better value of the two at ₹5,799 against the Sony's ₹9,790. Be aware that the Sony listing contradicts itself on battery life — the title says up to 35 hours and the bullet points say up to 50. Neither figure is unreasonable for the category, but you should not buy it on the strength of a number the seller cannot keep straight.