Hello Rajendra,  Yes CDS officers have more salary as compare to NDA officers. Salary for NDA officer starts form 21k while , a CDS officers salary starts from 45-50 K. And the salary goes on as per the post. But NDA is more better because students can apply for NDA after 12 th. So if we consider physical training,  then it is quite easy to face the training For 3 year.  In CDS training period is less but to face that training is really difficult. 

I hope it will help you more. 

Thanks.