Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 3 months ago

Remembering the deceased and praying for them or feeding or reciting Quran or arranging a Majlis on their behalf is always good, whether it is done in yearly basis or monthly or weekly or even daily. Attending such gatherings is good specially when you are invited by a relative of a Momin friend to attend. You will have then the reward of accepting the invitation of your relative or a Momin as well as gifting a reward to the deceased. Wahhabism object on such gatherings because of their misunderstanding  and narrow-mindedness. 
Wassalam.