when Tagore in his age over sixty, vs when Tagore at his age over sixty,

Some examples from the web:

• But soon became a pawn in his age-old war with Jacob.
• But soon became a pawn in his age-old war with jacob.
• Initially the company had three employees but currently it has over sixty, all of them with high experience in their respective areas, fruit of a continuous training.
• A man loves the meat in his youth that he cannot endure in his age.
• In Las Vegas Fredwas one of 300 athletes competing in his age group and one of a total 1800 competitors racing to win an Ironman 70.3 world championship title.
• A man loves the meat in his youth that he cannot endure in his age.
• "Kendrick came in third in his age group only months after getting a pacemaker."
• For that I get my friend to 3rd place in his age group and the overall 6th place in the "short" Running congratulate.
• It is a remarkable circumstance, that while he refers to so many towns as already existing in his age in the Boeotian territory, he
• The school arranged for those in his age group to collect up, restore and catalogue the books from the State Archives, probably so as not to dampen the enthusiasm with which the younger students offered their help.
• Today two thirds of our priests are over sixty.
• Over sixty years, maybe ten times.
• Be aware... that we have lived there for over sixty years.
• Currently the firm's collections are distributed in over sixty nations.
• Minneapolis had over sixty percent of voters in the 5th district.
• The building looks unchanged from pictures taken over sixty years ago.
• This is the mission that Scm Group has been pursuing for over sixty years.
• Andalo Trentino offers many services and entertainment to its visitors and hospitality with over sixty hotels and residences.
• By 2030 twenty-one percent of its population will be over sixty-five.
• In the Europe of Fifteen, there are at present over sixty minorities.

Some examples from the web:

• He's still a kid, even at his age.
• He can't have a job at his age.
• 'Cause that can be fatal at his age.
• I remember thinking it was all rather sad at his age.
• At his age, it painted still lifes.
• He's unmarried at his age.
• Sammy was like that too at his age.
• I had more at his age.
• At his age, just about everything.
• At his age, he probably doesn't realize the consequences.
• I wasn't like that at his age.
• At his age, he probably wants to see his grandchildren, too.
• At his age he can afford it.
• I keep trying to imagine you at his age.
• You were just as curious at his age.
• At his age, the memory comes and goes.
• He shouldn't be an assistant at his age.
• He should know better at his age.
• It's terrible that he still has to work at his age.
• I did character work here at his age.