In the domain of Hindustani classical music, Raga Chandrakosh (also known as Chandrakauns) occupies a unique and captivating position among the deep, profound late-night ragas. It is essentially an exquisite, artistic variation of the ancient and renowned “Raga Malkauns”. In the quietude of midnight, the melodic expansion of this raga wraps the listener in an atmosphere of intense longing, romantic yearning, and spiritual contemplation. Its rich scalar arrangement and the poignant contrast between flat and natural notes create a spellbinding experience for both performer and listener alike.
Table of Contents
Classical Profile and Structural Framework
Raga Chandrakosh belongs primarily to the Bhairavi thaat and is an Audav-Audav (five-note) raga, although some musicologists also analyze it under the Kafi thaat. Its defining structural characteristic is the complete omission of Rishabh (R) and Pancham (P).
| Theoretical Attribute | Description |
| Thaat | Bhairavi (alternatively Kafi) |
| Jati (Class) | Audav–Audav (Pentatonic in both ascent and descent) |
| Omitted Notes (Varjit Swaras) | Rishabh (R) and Pancham (P) |
| Vadi (Primary Note) | Madhyam (M) |
| Samvadi (Secondary Note) | Shadja (S) |
| Nature / Mood | Solemn, yearning, romantic pathos (Viraha-Shringar), and spiritual |
| Performance Time | Third quarter of the night / Midnight (12:00 AM – 3:00 AM) |
| Dominant Anga | Uttaranga-pradhan (Focuses on the upper register) |
| Notes (Swaras) Used | Shadja (S), a blend of flat and natural notes [Komal G, Shuddha M, Komal D, Shuddha N] |
Ascent, Descent, and Key Phrase (Pakad)
- Arohana (Ascent): S g M d N Ś
- Avrohana (Descent): Ś N d M g S
- Pakad (Key Phrase): g M d N Ś, Ś N d M, g M g S; or ṇ S, g M, d N Ś
(Note: As both Rishabh and Pancham are completely omitted, Pancham does not feature in the ascent; the melodic movement progresses strictly along the path of S-g-M-d-N-Ś. Lowercase ‘g’ and ‘d’ denote Komal Gandhar and Komal Dhaivat; uppercase ‘N’ denotes Shuddha Nishad; sub-dot represents the lower octave / Mandra Saptak).
Historical Evolution and Comparative Analysis with Malkauns
To comprehend the framework of Raga Chandrakosh, one must understand its subtle points of divergence from Raga Malkauns.
The Sublime Substitution of Komal Nishad with Shuddha Nishad
The scalar framework of Raga Malkauns is: S g M d n Ś / Ś n d M g S (Komal G, Komal D, Komal n).
When the Komal Nishad (n) of Malkauns is replaced by Shuddha Nishad (N), Raga Chandrakosh comes into being.
- Malkauns: Serene, solemn, detached, and ascetic.
- Chandrakosh: Marked by intense yearning, romantic tension, pathos, and spiritual fervor.
The immediate succession of the crisp Shuddha Nishad (N) following the Komal Dhaivat (d) creates a sharp harmonic tension in the musical ambience, rendering Chandrakosh exceptionally striking and captivating.
Ancient versus Modern Chandrakauns
Musical literature describes two distinct variants of Chandrakauns:
- Ancient or Kafi-Anga Chandrakauns: The classical tradition incorporated Shuddha Dhaivat and Komal Nishad, a form that has largely fallen out of contemporary practice.
- Modern or Malkauns-Anga Chandrakauns: The universally accepted modern rendition retains the Komal Dhaivat of Malkauns paired with Shuddha Nishad, which remains the most popular form on the contemporary classical stage.
Stylistic Characteristics and Performance Methodology
- Upper-Register Prominence (Uttaranga-pradhan): As an Uttaranga-pradhan raga, its beauty is most vividly realized in the upper tetrachord, expanding from the Madhyam (M) of the middle octave to the Shadja (Ś) of the higher octave.
- Unfurling Tempo and Use of Glides (Meend): Despite comprising only five notes, the raga possesses immense emotional depth. Consequently, slow, unhurried Alap, heavy Meend glides, and sustained pauses (Nyasa) on Madhyam and Shadja are essential, rather than rapid Tans or light agility. Rushing the performance risks destroying its spiritual sanctity.
- Microtonal Nuances (Shruti) and Ornamentation: Executing smooth glides from Komal Gandhar (g) to Madhyam (M) and navigating the microtonal transition from Komal Dhaivat (d) to Shuddha Nishad (N) demands exceptional vocal or instrumental mastery.
Aesthetic Rasas, Mood, and Raga Therapy
Aesthetic Sentiments (Rasa) and Psychology
Raga Chandrakosh represents an exquisite fusion of Shringar Rasa (specifically Viraha-Shringar, or the pathos of separation) and Bhakti Rasa (devotion). Rendered in the stillness of midnight, it evokes feelings of solitude, a deep longing for one’s beloved, and an all-surrendering devotion to the Divine.
Manipur Chakra and Physiological Impact (Raga Therapy)
According to Indian music therapy and traditional wellness systems, Raga Chandrakosh is believed to stimulate the “Manipura Chakra” or Solar Plexus Chakra, located behind the navel, which serves as the core center of human vitality and self-confidence.
- Navel and Digestive System: The Manipur Chakra governs metabolic energy and autonomy. The resonant movements of Chandrakosh are said to help strengthen the digestive system and the diaphragm.
- Insulin Secretion and Emotional Balance: Music therapists suggest that regular listening and practice of this raga help stimulate the pancreas, promoting insulin regulation while calming stress and anxiety.
Modern Adaptations, Cinema, and Light Classical Music
The appeal of Raga Chandrakosh extends far beyond classical Khayal or instrumental recitals on the Sitar and Sarod; it has left a lasting legacy in film soundtracks, ghazals, and modern compositions.
- Classical Maestri and Instrumental Performances: Landmark renditions by Pandit Ravi Shankar (Sitar), Ustad Bismillah Khan (Shehnai), Pandit Shivkumar Sharma (Santoor), and Pandit Jasraj (Vocal) remain monumental reference points for music connoisseurs.
- Cinematic Adaptations and Ghazals:
- The famous classical duet “Tu Hai Mera Prem Devta”, sung by Pandit Bhimsen Joshi and Manna Dey in the 1960 film Kalpana, heavily draws upon the emotional contours of Chandrakosh.
- Music directors frequently employ the scalar framework of Chandrakosh in Urdu ghazals and semi-classical melodies to evoke the poignant yearning of late-night reflection.
Bibliography and Primary Sources
- Uchchanga Kriyatmak Sangeet — Shaktipada Bhattacharya (15 April 1983).
- Sangeet Shastra (Volume III) — Shri Indu Bhushan Roy.
- Raga Parichay (Parts II & III) — Pandit Harishchandra Srivastava.
- Hindustani Sangeet Paddhati — Pandit Vishnu Narayan Bhatkhande.
