supply of data analyser (retrieval and analysis) , data analyser (retrieval and analysis) for speedometer of electric locomotive i.e. semi-rugg ed notebook/laptop having intel core i5 13 gen processor, windows 11 professional, magnesium alloy cha ssis, integrated graphic card, ddr4 ram of 8 gb, storage of 512 gb ssd, display of size 35 cm, bluetooth connectivity, battery backup of min 06 hours, having ruggedness certification to mil std 810 g or latest fo r drop, vibration, water resistance, dust resistance, altitude, high/low temperature, humidity etc along w ith carry bag, brand: getac, hp, dell, lenova or similar. [ warranty period: 36 months after the date of d elivery ] ]