What are the systems of Hindu marriage ?

The Marriage systems are,  Vivaham,

Brahma Vivaham, Daiva Vivaham,

Arsha Vivaham, Prajapaatya Vivaham,

Gandharva Vivaham, Asura Vivaham,

 Rakshasa Vivaham and Paisachika Vivaham.

According to the Sastras, as a witness

of Chantings of the Deities, the bride

and groom by doing the Panigrahanam

 (by receiving  right hand each other) 

if the marriage ceremony is performed 

it is known as Vivaham.

By adorning and beautifying the

 maiden  and give her to the bridegroom

and perform the marriage

 is called as the Brahma Vivaham.

For the sake of Yagas, the deserved

 maiden  is gifted to the Rithrik

( a holyman who does the Yagnas 

and other religious riturals)

as a  Dakshina  is known as Daiva Vivaham.

By offering aCow and an Ox as a

charity and then give the maiden

 for the marriage is called as Arsha Vivaham.

By offering a maiden as a beloved   

 and Sahadharmacharini to a noble

 soul  and asked her to live like that

 for ever is known as Prajapaatya Vivaham.

Without informing to their parents

 and getting permission from them ,

if both the   maiden and the man get

married is known as Gaandharva Vivaham.

By laying down  certain conditions and

rules for the marriage and get

marry a maiden  is known Asura Vivaham.

By  using force  and carry away

 the maiden and marry her is

 called as Raakshasa Vivaham.

When the maiden is sleeping  or when

 she  is in the state of inattention

( oversight) if the marriage is

performed it is called as Paisaachika Vivaham.