first of all thanks for your reply 
then i said its SKSE because when i run the game without it it works fine without any problems
but when i run SKSE here where all the crashes happens
and here you go
specs :-
processer : intel® core i5-3210M CPU @ 2.50GHz 2.50GHz
RAM : 4GB ( 3.86GB usable )
system type : 64-bit operating system
graphics card : nvidea 620m
windows 7
MOD list and their load order
Skyrim.esm
Update.esm
Dawnguard.esm
HearthFires.esm
Dragonborn.esm
Falskaar.esm
SPIKE.esm
HighResTexturePack01.esp
HighResTexturePack02.esp
HighResTexturePack03.esp
Chesko_Frostfall.esp
Better Dynamic Snow.esp
SplashofRain.esp
Windfull Skyrim.esp
StaticMeshImprovementMod.esp
StaticMeshImprovementMod-DragonbornTernFix.esp
StaticMeshImprovementMod-FurnitureChestSnowFix.esp
Dogs-of-Skyrim.esp
QuieterDogs.esp
TouringCarriages.esp
SkyUI.esp
Cloaks.esp
Cloaks - No Imperial.esp
Cloaks - Player Only.esp
hothtrooper44_ArmorCompilation.esp
FrostfallCamp 0.7.esp
Headtracking.esp
SkyFalls Plus SkyMills - All DLC and Falskaar.esp
Convenient Horses.esp
dD - Enhanced Blood Main.esp
Realistic Lighting Overhaul - Dungeons.esp
Realistic Lighting Overhaul - Dawnguard Interiors.esp
Realistic Lighting Overhaul - Major City Exteriors.esp
Realistic Lighting Overhaul - Major City Interiors.esp
Realistic Lighting Overhaul - Minor Cities and Town Interiors.esp
RLO - Adaptive Interiors Vanilla Weathers Patch.esp
Summon Horses JTR.esp
UFO - Ultimate Follower Overhaul.esp
moveit.esp
DeadlyMutilation.esp
WATER.esp
WATER Plants.esp
WATER DG.esp
WATER DB Waves.esp
WATER Falskaar.esp
i hope i can get reply guys