My husband David Fisher and I travelled from Kathmandu via Singapore to Perth Business Class with Singapore Airlines on 12th September 2023 . We are not regular Business Class travelers and this was a special occasion to celebrate our wedding anniversary. Our Flight from Kathmandu was SQ441 and I was seated in 11K. The seat adjusting mechanism was faulty and I was unable to adjust the seat without the assistant of the flight attendant which was embarrassing and inconvenient. Our flight from Singapore to Perth was SQ223 I was seated in 20F. We had pre booked our meal which was a great option however my meal was not served until well after the remaining passengers received theirs. I pressed to button to get flight attendant inform the cabin crew twice but this was not noticed. I was not offered the bread option or the coffee option. I feel this is below expectation for business class and certainly did not compare to my previous experience flying QANTAS. On arrival in Perth I noticed my luggage had been tampered with. In Kathmandu I was unable to locate my padlock so I used a piece of string to tie the two zipper ends and the reinforcement hole together. I used 6 knots with the aim of deterring anyone trying to unknot them. However on collecting my luggage the string was gone the zipper ends were apart, the bag slightly open and the side straps undone so they could access the contents. My luggage tag was [protected]. Photos were taken at Perth International Airport.