Committed to PEOPLE'S RIGHT TO KNOW Vol. 5 Num 1013 Sat. April 07, 2007       Metropolitan 90pc tubewell water contains unacceptable level of arsenic Energy, Science and ICT Adviser Tapan Chowdhury speaks at a seminar titled 'Promotion of biotechnology in Bangladesh: National and international perspective' at Sasakawa auditorium of ICDDR,B at Mohakhali in the city yesterday. PHOTO: STAR