When shares in the electronic form are available with the depositories, it acts as primary evidence for those who hold the shares.
It is not always possible to track the ownership of shares in the physical format. The move is likely to bring an end to benami transactions, according to experts.
The government is also in discussion with the NSDL and the CSDL to fix enrolment rates for these companies.
The ministry has asked these registries to reduce joining fees.
At present, companies have to pay around Rs 30,000 as joining fee in addition to goods and services tax (GST). Companies are also required to pay an annual custody fee of Rs 8 per folio in NSDL.
The NSDL and the CDSL
are registered with the Securities and Exchange Board of India
Sebi rules require all listed companies to dematerialise shares. There are around 70,000 public limited companies that are unlisted.
More than one million private limited companies are registered with the corporate affairs ministry.
Dematerialisation, or demat, involves conversion of physical stocks into electronic form.
India has around 6,000 listed companies, and almost all shares are held in the demat form.