Hello, Chandrashekhar with your rank in JEE Mains it will be difficult for you to get admission in DTU and NSIT as your home state is also rajasthan getting Electrical or ECE branch will be even more difficult. Therefore, you should try for other colleges through JOSAA and you can also try for other state level government and private colleges where you might have a better chance of getting the bramch of your choice. All the best.