Tata Sons is looking to sell around 2.83 crore shares amounting to about 1.48 per cent stake in TCS and the transaction is likely to be happen this week, the sources added.
When contacted, Tata Sons declined to comment.
After the proposed share sale, Tata Sons' holding in Tata Consultancy Services (TCS) will come down to around 72 per cent from 73.52 per cent as on December, 2017.
Last year in October, Tata Group had agreed to sell its loss-making mobile telephony business to Bharti Airtel on "a debt-free cash-free basis".
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