Hussain Sagar is a heart-shaped lake in Hyderabad, Telangana, India, built by Ibrahim Quli Qutb Shah in 1562. It is spread across an area of 5.7 square kilometres and is fed by the River Musi. From Wikipedia
A fire triggered by fireworks during a Republic Day celebration on Hyderabad's Hussain Sagar Lake caused injuries and left a young engineering student missing.