Hello Niharika,

You've secured a very good AEEE rank. Yes , you can get both CSE and ECE in Amrita Coimbatore campus. Amrita University has certain regualtions based on their scholarship schemes. It depends on the AEEE ranks. Last time around, scholarships were given for top 2000 rank holders , however this time its not clear on the scholarship schemes. Scholarhips are awarded on number of seats basis. For reference you can visit,

Https://www.amrita.edu/admissions/btech-2019/fee-structure

Hope that helps

All the best