7.1.6 Companies (Management and Administration) Rules, 2014
6. Index of names to be included in Register.-
(1) Every register maintained under sub-section (1) of section 88 shall include an index of the names entered in the respective registers and the index shall, in respect of each folio, contain sufficient indication to enable the entries relating to that folio in the register to be readily found:
Provided that the maintenance of index is not necessary in case the number of members is less than fifty.
(2) The company shall make the necessary entries in the index simultaneously with the entry for allotment or transfer of any security in such Register.