Pakistan's record in England is much better than India's whereas India's record against Australia in Australia is slightly better. Pakistan have played a total of 136 matches in SENA where as has played 155 matches in SENA. India tour these countries regularly, players get the experience of playing in those conditions still our record there is not that impressive.
If a series is played in England/NZ, Pakistan will be favorite. In Aus/ SA it will be 50-50.
Away stats of both teams :
India in Eng:
Played : 62
Won : 7
Lost : 34
Drawn : 21
W/L Ratio : .205
India in Aus:
Played : 48
Won : 7
Lost : 29
Drawn : 18
W/L Ratio : 0.241
India in NZ:
Played : 25
Won : 5
Lost : 10
Drawn : 10
W/L Ratio : .500
India in SA
Played : 20
Won : 3
Lost : 10
Draw : 7
W/L Ratio : 0.300
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Pakistan in Eng:
Played : 53
Won : 12
Lost : 23
Drawn : 21
W/L Ratio : .521
Pakistan in Aus:
Played : 37
Won : 4
Lost : 26
Drawn : 7
W/L Ratio : 0.153
Pakistan in NZ:
Played : 31
Won : 10
Lost : 7
Drawn : 14
W/L Ratio : 1.428
Pakistan in SA:
Played : 15
Won : 2
Lost : 12
Drawn : 1
W/L Ratio : 0.166