Richa refers to a shloka (couplet) or mantra

Mantra

A mantra is a sound, syllable, word, or group of words that is considered capable of "creating transformation"...

, usually two to four sentences long, found in the Hindu

Hindu

Hindu refers to an identity associated with the philosophical, religious and cultural systems that are indigenous to the Indian subcontinent. As used in the Constitution of India, the word "Hindu" is also attributed to all persons professing any Indian religion...

 religious scriptures, the Vedas

Vedas

The Vedas are a large body of texts originating in ancient India. Composed in Vedic Sanskrit, the texts constitute the oldest layer of Sanskrit literature and the oldest scriptures of Hinduism....

. The etymological origin of Richa is the Sanskrit word, ric, which means to praise. Richa, is therefore, one ric after the other. Other meanings of ric are splendour, worship, a hymn. Richa can also refer to a verbal composition of celestial sounds called "Shrutis". The Gayatri Mantra

Gayatri Mantra

The Gāyatrī Mantra is a highly revered mantra, based on a Vedic Sanskrit verse from a hymn of the Rigveda , attributed to the rishi . The mantra is named for its vedic gāyatrī metre. As the verse can be interpreted to invoke the deva Savitr, it is often called Sāvitrī...

 is a Richa as well.

In Marathi

Marathi language

Marathi is an Indo-Aryan language spoken by the Marathi people of western and central India. It is the official language of the state of Maharashtra. There are over 68 million fluent speakers worldwide. Marathi has the fourth largest number of native speakers in India and is the fifteenth most...

 or in Kannada, it is pronounced as Rhucha.
In Hindi

Hindi

Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

, it is pronounced as Richa and spelt as ऋचा.
In Sanskrit

Sanskrit

Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

, the pronunciation varies by region and spelt as ऋचा.

In Sanskrit (ऋचा) the pronunciation varies based on the geography and native language of the speakers. Hindi speaking populace would pronounce the Sanskrit word as "Richa" as opposed to Marathi or Kannada speaking populace. Both the 'Ru' and 'Ri' pronunciations are correct and are regional variants. In Maharashtra and Karnataka, the letter ऋ is pronounced 'Ru', whereas it is pronounced 'Ri' by speakers of Hindi. The Hindi script is identical to the Sanskrit script.

Richa is a popular given-name among females in Hindus. Notable people named Richa:

• Richa Gangopadhyay
  Richa Gangopadhyay
  Richa Gangopadhyay is an Indian film actress, model and former beauty queen. After appearing in commercials, she made her film debut in the 2010 Telugu political drama Leader...
  
  , Indian actress
• Richa Pallod
  Richa Pallod
  Richa Pallod is an Indian model and film actress who has featured in regional Indian films. After appearing as a child artiste, she appeared in an award-winning role in Nuvve Kavali, her first film in Telugu. She has appeared in several low-budget Hindi films with her most notable appearance being...
  
  , Indian actress
• Richa Sharma (singer), an Indian singer
• Richa Sharma (actor)
  Richa Sharma (actor)
  Richa Sharma was an Indian actress who acted in Bollywood movies.-Personal life:Her daughter Trishala Dutt lives in the USA. Richa died of brain tumour in 1996 in New York.Richa Sharma...
  
  
• Richa Jain Kashliwal, Company Secretary, Senco Gold Limited, Kolkata
• Richa Subramanian, Singer, Dancer, Kadi cook