I feel sorry for your loss, it is just because we depend blindly on the inept mechanics.
when the swap is done at honda shop please ensure that engine cooling system is topped up with quality coolant prepared in bottled water. The fans shall be rigged to run on automatic. kick under the belt if honda shop tells you to ' filhal kuch din direct chala layn. - ask them for compression test report on the new engine as well,
engine oil, & engine cooling system shall be perfect test the vehicle with aircon ON. - ask Honda how much they are willing to pay for engine removed from your vehicle., if they show no interest take away the engine bring to your home, you may later ask the person (you purchased engine from ) to visit and buy that from you.
you will be needing purchase receipt with engine number for endorsement in registration book at excise office try not to ignore it or you will be in trouble.