Two European defense manufacturing giants are seeking to win a 400 billion rupee ($4.8 billion) order to build submarines in India as the South Asian nation looks to strengthen its navy to counter China’s expanding naval presence in the Indo-Pacific region. Indian officials are currently evaluating competing bids to build six of the vessels in the country, senior Indian officials aware of the developments said, asking not to be named because discussions are private. One bid is from Germany’s Thyssenkrupp AG along with Mumbai-based Mazagon Dock Shipbuilders Limited,...