Question

2.
expanded the empire up to Bengal in the east.​

Answer 1

The fourth Sena king, Lakshmana Sena, son of Ballala Sena, was the greatest king of his line. He expanded the empire beyond Bengal into Bihar, Assam, Odisha and likely Varanasi. Lakshmana was later defeated by the nomadic Turkic Muslims and fled to eastern Bengal, where he ruled few more years.