It is given in the question that,

Runs made by Anish in 6 overs = 42

Therefore,

Runs made by Anish in 1 over = = 7

It is also given that,

Runs made by Anup in 7 overs = 63

Therefore,

Runs made by Anup in 1 over = = 9

Hence,

It is clear from above that Anup made more runs per over