The duo has been replaced by Sheldon Jackson of Saurashtra and Akshay Darekar of Maharashtra, according the zonal selection panel convener and Mumbai Cricket Association joint secretary Nitin Dalal.
West, seeded directly into the semi-finals, are to meet the winners of the March 10 quarter-final between South and East on March 12.
The final is on March 13.
Revised West Zone squad: Parthiv Patel (Capt), Sheldon Jackson, Ambati Rayudu, Rohit Sharma, Kedar Jadhav, Yusuf Pathan, Abhishek Nayar, Munaf Patel, Jaydev Unadkat, Dhawal Kulkarni, Rakesh Dhruv, Kamlesh Makwana, Manpreet Juneja, Akshay Darekar, Vijay Zol.
Coach: Mukund Parmar.