"We can choose our friends but we can't choose our neighbours," the President said, stressing that a choice is to be made whether the neighbours co-exist in harmony or otherswise.
Mukherjee, here for his customary southern sojourn, was speaking at an event where he received the first copy of a book by Maharashtra Governor Ch Vidyasagar Rao.
He also quoted one of the Ten Commandments of the Bible 'love your neighbour' to underscore his message, adding "Work in close harmony because, we belong to India."
The TDP Government in Andhra Pradesh and its TRS counterpart in Telengana have late been at loggerheads, mostly on local political issues.