Complex sentence: Shortly after the students of Dhaka University had raised the flag of independent Bangladesh in the "Bot tala" of DU on March 2,1971, the doctors of DMCH raised it at the peak of present Doctors' Cafeteria.
Split into simpler sentences: Shortly after the students of Dhaka University raised the flag of independent Bangladesh in the "Bot tala" of DU. On March 2,1971, the doctors of DMCH raised it at the peak of present Doctors' Cafeteria.