Police yesterday pressed charges against Tarique Rahman, eldest son of former prime minister Khaleda Zia, and his close aide Mian Nuruddin Apu in connection with a case filed for extorting Tk 1 crore from a construction firm owner.The charges of extortion brought against Tarique and Apu were primarily proved and they should be tried under the Speedy Trial (Law and Order Disruption) Act, the investigation officer (IO) of the case said in the charge sheet. Tarique, also senior joint secretary general of BNP, allegedly used to pull rank on the administration and always seemed beyond the reach of law enforcers during the BNP-Jamaat government's rule. He was arrested at his mother's cantonment residence in a midnight raid on March 8 and is now in Dhaka Central Jail while Apu is still at large.