not really. you do want a minimum amount (normally 4 or more)of em but other than that there are other better reasons to select a motherboard. things like socket/cpu support memory compatibility and motherboard build quality.
selecting a psu depends on what gfx card or cards i would be using and what upgrade path i may use...
can this mobo
https://www.flipkart.com/asus-m5a78l-m-le-motherboard/p/itmd4g9hbnvnyv3q?pid=mbdd4g9gusagwzrd&ref=963596a3-c825-4991-9afc-ab171a6d771a&_l=XTe1Vkl8gah8KMLxzNRZOQ--&_r=ScwlGk8+i7MLVv2Gyc+0ww--
work with
https://www.flipkart.com/corsair-cmpsu-500cxv2uk-500-watts-psu/p/itmd5xz45f8cnrhg?pid=psud5xz4ceuxm4gh&ref=963596a3-c825-4991-9afc-ab171a6d771a&_l=9tcuJ5csXe0PJMPzEtQVzQ--&_r=ScwlGk8+i7MLVv2Gyc+0ww--
and
https://www.flipkart.com/asus-m5a78l-m-lx-motherboard/p/itmd4g9hz7vwatne?pid=mbdd4g9gxg7gazyz&ref=9dbd2db7-fc8e-4788-b647-deb5fe30f14f&_l=JHQDeHm_5DJCWZti6Z5NZw--&_r=ScwlGk8+i7MLVv2Gyc+0ww--