At the start of Mughal rule in the late 16th century, a Sufi saint originally from Iran known as Dawud Shah settled in the village of Sugandhia in Jhalkathi.

The emperor awarded them tax-free land as Cheragi Dawud Shah under Qismat Charamaddi in the Chandradwip pargana.

[6] During the 17th century, a Muslim missionary descended from Abu Bakr named Sheikh Shah Khudgir settled in the village of Rajpasha after spending some time in Faridpur where he built the Patbail and Paitledi mosques.

He died in Rajpasha and his mazar (mausoleum) and the adjacent pond became an important site in the local area.

[7] In the same century, Kirtinarayan Basu, the former Raja of Chandradwip, settled in Jhalkathi's Keora village after converting to Islam.

He founded the Baklai family of Keora who possessed land in the Chandradwip and Salimabad parganas and particularly, taluqs in Mathbaria and Morrelganj.

Jhalokati Sadar had a literacy rate (age 7 and over) of 68.82%, compared to the national average of 51.8%, and a sex ratio of 1,051 females per 1,000 males.

The smoke from the chimney served as a navigation landmark by passing steamers while the factory siren could be heard from as far as Barisal.

Shudhangshu descendants eventually migrated to India and other parts of Bangladesh while his partners had stayed back to establish their own ventures.

The Das family lost its honour, assets and property due to the partition of India and Pakistan leading to a dangerous military rule in east Pakistan (present-day Bangladesh) which initiated riots killing and displacing millions of Hindu Bengalis from their homes to seek refuge in India.

The District that once popular due to the existence of six aristocrat families (Das, Khan, Roy, Sardar, Mira, Chakrabortty) and their businesses, have now forgotten most of their contributions.