Karmkand refers to ritual services proferred by swamis or religious Brahmins in exchange for bhiksha.  

Dharma

The term Dharma (is an Indian spiritual and religious term that means one's righteous duty, or any virtuous path. A Hindu's dharma is affected by a person's age, class, occupation, and gender. In Indian languages it can be equivalent simply to religion, depending on context.

Karma

Karma act, action, performance"Pali: kamma) in Indian religions is the concept of "action" or "deed", understood as that which causes the entire cycle of cause and effect originating in ancient India and treated in Hindu, Jain, Sikh and Buddhist philosophies.

Yajna

In Hinduism, Yajña is a ritual of sacrifice "worship, prayer, praise; offering, oblation, sacrifice") derived from the practice of Vedic times. It is performed to please the gods or to attain certain wishes. An essential element is the sacrificial fire - the divine Agni - into which oblations are poured, as everything that is offered into the fire is believed to reach the gods. As the name of the service, the term Yagna is linguistically.

Yajñas in the Vedas

There are 400 yajñas described in the Vedas. Of these, 21 are theoretically compulsory for the Twice-Born. The rest of the yajñas are optional, which are performed kamyakarma

Aupasana

This is the basic simple fire sacrifice that is to be performed at home twice daily. The Aupasana agni is lit at the time of the groom's wedding from his father's fire

The various sacred Agnis

The Aupasana Agni lit at the time of the grooms wedding is then divided into two in a sacrifice called Agnyadhana. One part becomes the Grhyagni the other becomes the Srautagni. These two fires are to be preserved throughout the individual's life. The son's fire is lit from the father's fire at the time of his wedding

Pancha Mahayajnas

• Devayajna- consists of offering ahutis to devas
• Pitryajna- consists of offering libations to ancestors or pitrs
• Bhutayajna- consists of offering bali or food to all (departed) creatures
• Manushyayajna- consists of feeding guests
• Brahmayajna- consists of reciting of bráhman, i.e. the stanzas of the Vedas, namely Rigveda, Yajurveda, Samaveda and Atharvaveda

Other Yajnas

Agnistoma

This is form of Somayagam has been continued by the Nambudiri Brahmins in Kerala but has become extinct in other parts of India . The grand Yagam was performed for the first time since 1787, in Aluva

Jyotistoma

This yajna is meant for the elevation of the yajamana to heaven, the lokas of the gods  

Pitrloka Yajna

Panchagni Yajna