Previous famous cases in Indian corporate history where shareholder activism made a difference....

Anil Agarwal, Sterlite:
Abandoned a restructuring plan after institutional investors threatened legal action. Minority shareholders' stake in core Indian assets would have come down, in exchange for a piece in Vedanta's copper mine in Zambia, whose assets were unproven.

Niranjan Hiranandani, Hiranandani Constructions:
Has had to postpone the proposed merger of two group companies, Hirco Developments and Hiranandani Investment, with Hirco, its Londonlisted investment vehicle, after mounting pressure from shareholders.

Naveen Jindal, O.P. Jindal Group:
Abandoned plans to allot 15% stake in Nalwa Sons to 19 new employees through Esops after a few investors obtained a stay order from the Company Law Board, alleging that these staffers were in fact 'persons acting in concert' with the promoters.

J.P. Gaur, JP Associates:
The company called off its plan to transfer stake in JP Infratech, a 100% subsidiary that houses the multi-billion dollar Taj Expressway project, after the stock was hammered when the proposal was announced.

N.S. Sekhsaria, Gujarat Ambuja Cements:
The company used the loophole in the law to avoid making an open offer by maintaining its stake at just below 15%, despite taking over the company from the majority shareholders.

Rajiv Singh, DLF:
The company was forced to compensate shareholders whose debentures were forfeited when the firm was delisted in September 2003 even before it could come out with an IPO in 2007.