Vodafone India, which is fighting the government on the issue of tax on its acquisition of Hutchison's stake in Hutchison-Essar in 2007, today said preparations are on a for initial public offer but shareholders will take a final call on the public float. The British telecom giant Vodafone had acquired Hutchison stake in Hutchison Essar in 2007. It got mired in a controversy over withholding tax issue . The matter went to court and the Supreme Court had ruled in its favour. The government now is amending the IT Act to bring into tax net Vodafone-like deals with underlying assets in India.