With 70 percentile in JEE Main and EWS reservation, you can target several NITs (lower branches), IIITs (less in-demand branches), and good state engineering colleges through JoSAA and state-level counselling. While top NITs may be out of reach for CSE or ECE, you could get options like NIT Agartala, NIT Mizoram, NIT Arunachal Pradesh, NIT Meghalaya, NIT Sikkim, or IIITs like IIIT Una, IIIT Bhagalpur, IIIT Kurnool in branches such as Civil, Mechanical, or Metallurgy. You can also try universities like DTU (through JAC Delhi), Punjab Engineering College (PEC), and state universities via their counselling for better chances.