NEW DELHI - Shares in Great Offshore rose as much as 14.3 percent in early deals on Wednesday, after a firm seeking to acquire it sweetened its deal for the second time since June. ABG Shipyard, which is jostling with Bharati Shipyard to take over the provider of oil rigs and offshore platforms, said late on Tuesday it has raised its offer to 520 rupees a share from 450 rupees.