Thank you for reply
Loved your comment "rabbit turds"

As you said i also think its overwatering,today its 5 days since i gave it water and today for some hours ago i gave it 0.5 litre of water but it hasnt helped.

What is your experience level? (first timer, novice, experienced...)
first timer
Your Equipment:
.1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's)
250 watt hps
.2) Distance from tops?
8-9 inch
.3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...)
wing reflector
.4) Is there a consistent fresh air supply?
From the room the closet is in.made a opening in the bottom side no light get to inside
.5) Do you have an exhaust fan and a circulation fan?
yes both
.6) What are the bulb wattages, kelvin ratings, and schedule?
250 flower spectre hps

Your medium:
.7) Specific brand and type of soil, (coco, peat based soilless...) and anything you've added to it. (vermiculite, perlite, worm castings...)
Flowersoil ph 5.5-6.5 sand and lecakuler lecakuler - Google-søk
.8) Size of container.
10 litre
.9) Did you use peat pucks (or similar) to root clones or germinate seedlings?
no
Your nutrients and water:
10) Source of water? (tap, bottled or filtered) What's it's ph before adjusting?
tap, dont know ph but live out on country so think its good?
11) Method of checking water ph. (ph pen, test strips, aquarium test kit...)
12) Method of adjusting water ph. (phosphoric acid, white vinegar, hydrated lime, PH Up...)
13) Specific brand and N-P-K ratio for each bottle. List dosages (quantity per gallon) and current feeding schedule.
Havent used nutrition
14) How often are you watering between feedings, and how much per watering?
At first every 3 day but the leaves started to hang down very much so i gave it 3 litres in 6 days every second day,didnt help much
15) Any additives or tea's? (Superthrive, CalMag, molasses, Mother's Earth...)
16) Are your ph levels stable, or do they fluctuate?
17) What is your ingoing water's ph? ...your runoff ph?
18) Do you foliar feed? If so, with what, how often, and at what time do you spray?

Your growroom:
19) Indoors or outdoors?
indoor closet
20) What size of closet, room or hut?
about 70x150x180
21) What are the temps and humidity levels while lights are on? ...With lights off?
Lights on 28 c lights off 18 c (can raise the off temp if that is the case)dont know humidity
22) Have you seen signs of insects in the growroom?
no
Your strain:
23) What strain are you growing? (Indica dominate or Sativa dom?)
Dont know it was a seed from weed i bought
24) From seeds or clones?
seed
25) Is this an autoflower strain?
dont know