New Delhi, Oct. 13 -- The Sir Dorabji Tata Trust (SDTT), the largest shareholder in Tata Sons, has been given an additional week, until October 19, to respond to complaints filed by two of its trustees, Venu Srinivasan and Vijay Singh, alleging governance irregularities and "interference" in the affairs of the Tata Group's holding company.

SDTT sought more time on Monday to respond to queries raised by the Maharashtra Charity Commissioner, a Tata Trusts spokesperson said. The trust had rejected the allegations in a letter dated October 5, signed by trustees including Noel N Tata, his son Neville Tata, former Titan Company chief executive Bhaskar Bhat and lawyer Darius Khambata.

In the letter, Noel questioned the complaints filed by Srin...