Kolkata:In a disturbing incident, a 64-year-old womandoctorfrom Thakurpukur, who is the mother of a Congress functionary, received anextortion letterdemanding Rs 50 lakh and threatening dire consequences if the amount was not met within 10 days. Also Read:Calcutta Medical College intern alleges sexual harassment; medicos stage protest Around the same time, another resident of the same Thakurpukur premises, a trader, received a similar extortion note, this one demanding Rs 10 lakh. Police sources said that preliminary analysis suggests the handwriting on both letters appears to match, pointing to the involvement of the same person or group. Both recipients have lodged formal complaints at Thakurpukur Police Station, and investigations are underway. Police officials said the incident likely occurred on Monday evening. The doctor’s son stated that the family was “terrified” after receiving the threat and quickly informed both the local police and the Kolkata Police Commissioner. He added that all relevant documents, including the speed post envelope and address, were handed over to investigators. Investigators are now examining the speed post tracking details and have begun collecting CCTV footage from Behala and Sakherbazar post offices, as well as from the doctor’s clinic and surrounding areas, to identify any suspicious individuals who might have posted or delivered the letters. Also Read:Ward boy arrested for alleged sexual harassment at Burdwan Hospital