questions: asking about the method of mango grafting. 
 answers: advised to grow root stock from the seed of mother plant.use the 1 yr old seedling as root stock.take a branch from the mother plant of 1 yr old for scion.remove the leaf from the root stock and give a straight cut about .5 inch.give a slenting cut at both the sides of scion and inser it into the root stock.tie with grafting tape.after 1.5 months new leaf will come out.plant it in the main field/