Mantra was a monthly publication by Sam Dalal in India. The publication ran for 28 issues from 1975 til 1977. I have the following original issues for sale at $4.00 per issue:
Vol One-#5
I am also in need of isues numbers 21, 22, 23, 24, 25, 26, 27, and 28 for my personal collection and will trade or buy.