Top-seeded Meiraba, who hails from Manipur, beat Ken Yong Ong 21, 14, 21-18 in the final lasting 38 minutes on Sunday.
Meiraba had defeated another Malaysian, M Fazriq Mohamad Razif, in the semifinals.
He was one of the five Indians in the main draw. Meiraba had also clinched the boys’ singles U-19 title at the Woncheon Yonex Korea Junior Open International Challenge last month.
In women’s singles, Indian shuttler Treesa Jolly lost to Thailand’s third seed Krittaporn Jiantanet 21-12, 16-21, 21-16 in finals.