A cost-effective alertness-rating tool to enable situational awareness among on-duty static security guards in Covid-19 pandemic. - Debabrata Bej; Shubhranil Chakraborty; Sekh Arif Mahammad; Ashis Kumar Mal (J. Reliab. Intell. Environ., 2021)

Designing of a biometric fingerprint scanner-based, secure and low-cost electronic voting machine for India. - Sekh Arif Mahammad; Dootam Roy; Shubhranil Chakraborty; Debabrata Bej (Int. J. Syst. Syst. Eng., 2022)