Hi Gopi Sai Teja,
Every college have good placement background coming to the college you have mentioned both have good placement background getting a good placement completely depends upon the skills and knowledge you gain and the way you Express yourself during the placements
Both  the colleges provide the average salary for 3 to 4 lakhs per annum
But according to the rating CR Reddy engineering college has 7.1 and where as Vishnu engineering college has 7.6 rating in placements
for ECE branch Vishnu engineering College have more  placement background then  cr reddy engineering College according to the 2018 rating
Hope this information is helpful
All the best

Hy aspirant,

When it comes to placement cell that too in ECE branch. The students of cr Reddy engineering college are not much satisfied and have to go out as per reports on the other hand vishnu institute of technology have more than 200 companies which comes for there placement cell. So getting placement opportunities from Vishnu instiyof technology. Wishing you luck