Sinner gets mental, or and physical sickness in this birth and go to hell after death.

One hell is known as Asipatravan , which is 2000 Yojan area.

Actions which are known to be sins as per Garuda Puran are 

1.o not- kind, religious, association of bad (Dusht), self praising, proudy, misutilize money and power,always busy to satisfy desires, always busy in sex or blind for sex, did not serve saints , cheated others, not trustworthy, not appreciating good points of others, jealous from intelligent persons, abusing teachers, holy places or books or people, not listening to Vedas or Shashtras, after promising did not give gift to brahmins, taking job of others for his personal gains , occupying other land or house or nation, husband of prostitute or bathroom cleaning women (Brahmin husband of Shudrawomen ), non vegetarian, shudra reading shashtra, shudra wearing brahmen rope (Yagyopweet), telling lie in the court, who does not care of orphans,

2.0 No donation, doing no Yagya, no worshipping of brahmin or scientists or intelligent teachers, did not donate black cow, no kindness to poor, cheating friends, Misers,

3.0 did not construct ponds of water for animals, did not try to feed brahmin or scientist or intelligent persons,did not feed cows, destruct temple , cutting of trees, miser, making or selling of Dhanush or Baan ,

4.0 did not listen to religious books like vedas or shashtras, drank beer, whisky, rum, vodka or alcohol, bhang , charas, heroin etc, who insults father, mother, teacher, and respected persons, who does not feed children or women, or elders, who feel happy with the others suffering,

5.0 killed brahmins or children or women, doing sin secretly, killed others by giving poisnous food to others, Killer of birds or animals,

5.0 Ladies did not obey their husbands, did not serve only one husband, after death of husband did not lead sacrificial life,did not remain without food on certain days, having sex with other men or women, killing husband, sex with divorcee,  sex during Shradh, in water, during holy days, selling or prchasing of children or women. Ladies who cheats their husband, prostitutes, (Read Prostitutes)

Sufferings are described as 

1.0 Air temperatures as cold as ice,thorn pricking,biting of poisnous snakes,eaten by Lion, dogs, foxes, biting by scorpion, Falling from mountains height, falling on thorns, in well, or in river, sand burning like fire, copper hot like fire, ponds full of blood and mawad or pus , river full of dirty hair,

2.0         Sinners are tied by ropes, hanged on trees with their face towards down, fried like chicken, eaten by vultures, taken with ropes which are pierced in nose or ears, or neck , beaten by iron rods or wooden heavy rods, fearful faces and red red eyes of servants of God of death,