Hello Together,
Request you to please let me know that having OG 2017 edition is sufficient or do I need to go for 2016 and 2015 edition as well .
Also while giving a diagnostic test and practicing questions do I have to attend the all the three 2017 ,2016 ,and 2015.
Regards
Rohit
Request you to please let me know that having OG 2017 edition is sufficient or do I need to go for 2016 and 2015 edition as well .
Also while giving a diagnostic test and practicing questions do I have to attend the all the three 2017 ,2016 ,and 2015.
Regards
Rohit













