Dhaka, March 30 -- Khalilur Rahman, the chief advisor's top aide, has said that China has given positive indications about its involvement in Bangladesh's Teesta River development project.

During his four-day state visit to China, Chief Advisor Muhammad Yunus sought a "50-year masterplan" on water management from China, highlighting its success in controlling floods and maintaining water systems.

On Sunday, Khalilur said: "The chief advisor had extensive and deep discussions with China about water resources. China is a huge example to us of how we can preserve the river systems or use them.

"They've been able to play a leading role in these matters around the world. You can take a look at their large projects to appreciate this. The ch...