Don't know how to grow need help asap

First time grower. Please take a look at my plants and tell me what i need. I bought 1 hash plant, 1 la con and 2 shiva skunk all rooted clones, took them home and planted them in potting soil and perlite. I've had them 6 days. Indoor grow room 3X5 4X5 4.5X6 400w MH light with constant...