Dear Pavanji,
Read the Section - 163 properly what is say:
All the Statutory Registers should be maintained at the Registered Office of the Company
Provided, All of these or any one or more , instead of being kept at registered office of the company can be kept at any other place within the city, town or village in which Registered Office of the Company is Situate. And ,
another proviso to keep registers at other place but within the city, town or village in which Registered Office of the Company is situate is: That place should be approved by Special Resolution in GM.
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So now, if your CA or CS office is within the above limit and if it is approved by special resolution in GM,,, there is no issue in doing same.