As you done BTECH in CS you did not mention the particular post to apply in HCL Technologies, here will tell you proper way to check.

Please follow the steps below to look for jobs

Go to official site of HCL Technologies which looks like this

HCL Technologies



There at top right hand side page
You can see section of career
There click the option of current openings
A new page will open which looks like this
There you can apply easily

HCL Technologies, current openings



Address:-
HCL Technologies
A11, Sector 16, Noida,
UP 201301
India

Phone:-
+(91) 120 4383000