Hello Aditya,

With 98.57 percentile in JEE mains 2019 you might be able to get an ECE seat in following NITs:

• National Institute of Technology Hamirpur
• National Institute of Technology, Uttarakhand
• National Institute of Technology, Silchar
• National Institute of Technology, Andhra Pradesh
• National Institute of Technology Patna
• National Institute of Technology Arunachal Pradesh
• National Institute of Technology Puducherry
• National Institute of Technology, Manipur
• National Institute of Technology Agartala
• National Institute of Technology Raipur
• National Institute of Technology Sikkim
• National Institute of Technology Arunachal Pradesh
• National Institute of Technology Meghalaya

Besides the NITs you can also get following IIITs with ECE:

• Indian Institute of Information Technology Guwahati
• Indian Institute of Information Technology (IIIT)Kota, Rajasthan
• Indian Institute of Information Technology Srirangam, Tiruchirappalli
• Indian Institute of Information Technology (IIIT) Pune
• Indian Institute of Information Technology (IIIT), Sri City, Chittoor
• Indian Institute of Information Technology(IIIT) Dharwad
• Indian Institute of Information Technology Surat
• Indian Institute of Information Technology, Design & Manufacturing, Kancheepuram
• Indian Institute of Information Technology (IIIT) Nagpur
• Indian Institute of Information Technology(IIIT) Kilohrad, Sonepat, Haryana

To find out the complete list, visit the following link:

https://engineering.careers360.com/jee-main-college-predictor

All the best.