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Option 1: M.A. Ansari belonged to the group of `No-Changers`. This means that he did not support any changes or modifications to the existing system.
Option 2: Vithalbhai Patel belonged to the group of `No-Changers`. He also did not support any changes or modifications to the existing system.
Option 3: Chakravarti Rajagopalachari belonged to the group of `No-Changers`. He also did not support any changes or modifications to the existing system.
Option 4: Kasturi Ranga Iyengar did not belong to the group of `No-Changers`. This means that he supported some changes or modifications to the existing system.
Therefore, the correct answer is option 4. It is important to note that the term `No-Changers` refers to individuals who did not advocate for any changes in the system, while the individuals outside this group might have supported certain changes or modifications.