Bombay High Court today directed the CBI to expeditiously conclude the investigation into the Adarsh society case and take a final decision on registration of an FIR within two weeks.A division bench of justices B H Marlapalle and U D Salvi also ordered issuing of summons to the regional Joint Director of CBI to appear before it when the court next hears the case after two weeks. The Court observed that it has been more than two months since CBI has been conducting a preliminary inquiry into the case. The court was hearing a petition filed by an activist. Additional Solicitor General Darius Khambata, appearing for CBI, sought four weeks to finish the probe, saying, it is a sensitive case involving big names and the agency does not want to take any hasty decision.The 31-storey Society in posh Colaba, south Mumbai, was allegedly built on a plot reserved for Kargil martyrs and flats were allotted to kin of bureaucrats and politicians. The alleged irregularities surfaced a few months ago and the then Chief Minister Ashok Chavan had to resign over the scam.