Hi so basically opening and closing rank for NIMCET in different NIT's are as follows:

NIT, Raipur630 – 649

NIT, Agartala650 – 670

NIT, Kurukshetra520 – 545

NIT, Durgapur456 – 470

NIT, Trichy30 – 40

NIT, Calicut240 – 265

NIT, Surathkal167 – 180

NIT, Bhopal296 – 319

NIT, Jamshedpur500 – 525

NIT, Allahabad200 – 220

NIT, Warangal80 – 105

Hope this is helpful