having the name gangā —

carrying out service by pouring gangā water which was actually dharmam (all the righteousness)[ which melted upon seeing emperumān’s divine foot] —

the pure water of gangā —

 river gangā —

the head of the great country where the beautiful waters of the river gangā had earlier increased its flow abundantly —

more than gangai [gangā] —

 on the banks of gangā —

 present on the banks of gangā —

on the banks of gangā —

 on the banks of gangā —

ṣivan who is having gangā on his head (to rid of sins) —