best psu for the build

[THEkillerjoke]

hi i need the best psu for the build and i am from india so i will be buying from amazon.in or mdcomputers.in...i need a good stable psu that will last me for atleast 5 years.budget is 6000 rs(INDIA).. please answer as soon as possible

MY BUILD..
intel i5 6600k
GIGABYTE G1 Gaming GA-Z170X-Gaming 3
hyperx fury 8gb ram (2133mhz)ddr4 QUESTION...which setup is best (4x2 8gb) or (8x1 8gb)
thermaltake versa n21
zotac gtx 1060 6gb amp edition 6gb
seagate/western digital hdd
please tell me the best psu

 

[Dark Lord of Tech]

http://mdcomputers.in/index.php?route=product/product&product_id=4911
SEASONIC 620W.

OR

http://mdcomputers.in/index.php?route=product/product&product_id=4913
Seasonic G550W.

OR

http://mdcomputers.in/index.php?route=product/product&product_id=4908
Seasonic 520W