New Delhi, June 3 -- Indian weddings have long been associated with grand celebrations, large gatherings and deep-rooted traditions. A Mint survey of urban India suggests that while lavish weddings remain popular, a growing section is turning more cost-conscious and questioning convention.

Gold and silver, once central to wedding customs, are gradually losing their hold. Nearly half of respondents said they are willing to skip precious metals altogether-either due to high prices or limited attachment to the tradition, according to the YouGov-Mint-CPR Millennial Survey. Among those who still consider them essential, more linked them to investment value (31%) than tradition alone (20%).

Income still shapes spending, but not always predict...