Dhampur Sub-Divisional Magistrate Ritu Rani received a threatening text message demanding a ransom of Rs 15 lakh, with references to the murder case of NIA DSP Tanzeel Ahmed who was shot dead. Security has been heightened for SDM Ritu Rani, following the sender’s threats. Police have initiated an investigation into the matter. The sender shared barcodes and mobile numbers for money transfer. For SEO optimization, here are some keywords: SDM Ritu Rani, ransom demand, NIA DSP Tanzeel Ahmed, threat message, investigation, security measures.