Help me regarding (12934) KARNAVATI EXP ADI to MMCT(Surat) and vice-versa (12933).

As Surat Railway Station platforms 2 & 3 to shut for 60 days from Jan 8, I have questions: 1. Going from Ahmedabad to Surat, will it stop at Surat Station or Udhna Station? 2. Going from Surat to Ahmedabad, which station I have to go, Surat or Udhna? And if Udhna which platform number?