[7] Tengku Amir graduated from the University of Leeds with a Bachelor's of Science Degree in Ecology and Environmental Biology in 2014.

It was later confirmed that he was rolling into Officers Cadet School in Port Dickson, Negeri Sembilan to pursue a military career.

[11] Tengku Amir attended and passed the Basic Rapid Deployment Force Course (APAC) Series 2/2016, which was held from 5 September until 2 October 2016.

[5] The ceremony was also attended by his half-sister, Tengku Zatashah and her husband, Aubry Mennesson, and the fellow members of the royal family, the then Defence Minister, Hishammuddin Hussein and wife, Tengku Marsilla Tengku Abdullah, Urban Wellbeing, Housing and Local Government Minister Noh Omar, Menteri Besar of Selangor, Azmin Ali, inspector-general of police, Khalid Abu Bakar, Malaysian Army chief general, Zulkifeli Mohd Zin, Selangor State Executive Council members, state assembly persons and government officers.

[18] Tengku Amir walked in to Balairung Seri while holding the kris given by the Sultan earlier in the week.

Selangor mufti, Datuk Mohd Tamyes Abdul Wahid again led the prayer at the end of the ceremony.

[19] One of his official duties include welcoming the newly elected Yang di-Pertuan Agong upon their arrival at Kuala Lumpur International Airport (KLIA) for their oath swearing ceremony.

Muhammad V took a flight from Kota Bharu, Kelantan for his swearing in ceremony as the fifteenth Yang-di Pertuan Agong.

[21][22] He also welcomed the arrival of Abdullah of Pahang and his queen consort, Tunku Azizah Aminah Maimunah for the Sultan's oath swearing ceremony as the sixteenth Yang di-Pertuan Agong when they arrived at KLIA on 31 January 2019, after taking a flight from Kuantan, Pahang.

[25] On 11 September 2019, he visited the district Sabak Bernam for three days, making stops at local attraction such as the beach at Bagan Nakhoda Omar and paddy field at Parit 14 Sungai Panjang among others.

[28] He also led the Selangor leg of the Kuala Lumpur torch run leading up to 2017 Southeast Asian Games.

[32] After facing four consecutive defeats in August 2016, the head coach of Selangor at the time, Zainal Abidin Hassan was fired from his position.

[34][35] On 23 December 2016, Tengku Amir made a statement on his instagram account, suggesting for Selangor to be revamped and for executive committee (EXCO) members who are involved in politics to step down from their post.

[41] In an interview in March 2017, Tengku Amir stated that for the time being, he will remain as the royal patron of the football club.

[43][44][45] He officially became the president of FA Selangor after receiving 81 nominations from 96 affiliates and won uncontested in the extraordinary congress that was held on 3 July 2018.

[51] Tengku Amir called the rogue faction to meet him at the palace to voice out their displeasure but only less than half of them attended it.

[52] As a result, he removed 43 affiliate clubs from the association, stating that they no longer hold the same values and dreams as Selangor.

In an exclusive interview with Berita Harian, the crown prince stated that he started the program as an initiative to approach the youth in Selangor and discover their interest.

[62] On 20 November 2018, Tengku Amir launched SAY Ignite, a festival that aimed to celebrate and ignite youths through creative content and social activities such as debate, art showcase, kayak race, introduction to sailing classes, football, poetry recital and forums.