Deepak Kochhar, the founder of NuPower Technologies Pvt Ltd and husband of ICICI Bank's MD and CEO Chanda Kochhar, has been questioned thrice in last four working days by the investigation wing of Income Tax Department in Mumbai.

The development comes almost a month after the tax authority had asked Deepak Kochhar to furnish all the details regarding personal finances, income tax returns, and business dealings withNuPower Renewables.

Before this, the taxman had sent two notices to Kochhar, who is also the husband of ICICI Bank MD and CEO Chanda Kochhar, seeking financial details about his role as the Managing Director of NuPower Renewables, an independent power producer in the renewable energy sector.

Fresh India links have emerged with Firstland Holdings Limited, the mysterious privately held Mauritius-based investment vehicle that injected the first lot of Rs 325 crore into Deepak Kochhar's NuPower Renewables.

Whistleblower Arvind Gupta had alleged that during December 2010 and March 2012, Firstland Holdings, Mauritius, invested Rs 325 crore (10% of the first loan amount) in NuPower; in 2014, that investment was transferred to Mauritius' DH Renewables, which invested another Rs 66 crore (10% of the second loan) in NuPower.

The big question is whether such non-declaration violates the provisions of Section 184 of the Companies Act, 2013. The latter stipulates that every director of a company (both public and private) shall disclose their interest in third parties. That is what the probe agencies want to look into.

Markets watchdog Sebi is mulling getting a forensic examination done on financial statements and disclosures made by ICICI Bank in last few years amid a controversy over alleged conflict of interest involving the lender's CEO Chanda Kochhar and her husband.

How company boards can tackle the increasing activism of minority shareholders.

The RBI had undertaken a scrutiny in mid-2016 after the Prime Minister's Office referred to it allegations of Deepak Kochhar reaping windfall gains from his association with Venugopal Dhoot, Videocon's chairman and managing director.

Last month, the I-T dept had asked Deepak Kochhar to furnish all the details regarding personal finances, income tax returns for the past many years, and business transactions with NuPower Renewables. However, Kochhar submitted incomplete information through a representative.

The central bank had raised some questions over the ownership of Mauritius-based entity, First Land Holding, which had invested Rs 325 crore in NuPower Renewables, the company owned by Chanda Kochhar's husband Deepak Kochhar.

ICICI Bank CEO Chanda Kochhar and other members of her family had invested in a previously unheard of firm called Credential Finance Ltd at a time when Venugopal Dhoot's Videocon International Ltd had held a 17.74 per cent stake in it.

Damodaran says  ICICI board should have handled the controversy better to gain the confidence of investors and customers