Question: What is the nickname of this author of the collection of 56 Marathi language songs chronologically describing events from the Indian Hindu epic?

Context paragraphs:
Gajanan Digambar Madgulkar: Gajānan Digambar Mādgulkar (1 October 1919 – 14 December 1977) was a Marāthi poet, lyricist, writer and actor from India.  He is popularly known in his home state of Maharashtra by just his initials as Ga Di Ma (गदिमा).  He was awarded Sangeet Natak Akademi Award in 1951 and Padma Shri in 1969.  He has written 157 screen play and over 2000 songs in his career.  He was called Ādhunik Valmiki (the modern Valmiki) of current era due to his composition of Geet Rāmāyan (lit.  Ramayana in Songs)as the most notable work.

Shri Thanedar: Shri Thanedar (Marathi: श्री ठाणेदार; born February 22, 1955) is an Indian born author and entrepreneur.  Shri rose from a low-income family in southern India to become a successful entrepreneur, while overcoming many personal and professional hurdles.  In 2004, Shri Thanedar published an autobiography describing his experience with the American Dream.  The autobiography was published in Marathi language in Maharashtra, India, and was named a best-seller.

Maisamma: Maisamma (Telugu: మైసమ్మ ), also known as Mesai (Marathi: मेसाई ) and spelt also Mesko (Marathi: मेस्को), Amma in Telugu or Aai in Marathi (Telugu: అమ్మ Marathi: आई , "mother") is the South Indian Hindu folk goddess.  She is mainly worshipped as South Indian mother goddess, predominant in the rural areas of Telangana, Karnataka and Maharashtra.

Nakara (drum): Nagada (Indian Drum) is a percussion instrument used for its rhythmic sounds.  This percussion musical instrument is also known as the pair of Indian Drums.  Nakara is a festival instrument mostly used in South Indian Hindu temples.  The size may vary and this instrument may be kept near the entrance of the South Indian Hindu temples.

Arnaut Osman: Arnaut Osman is a hero of Serbian and Albanian epic poetry.  He is also a hero of the epic poetry of Muslims in Bosnia and Herzegovina.  The Serbo-Croatian language songs about Arnaut Osman include "Young Marjan and Arnaut Osman", "Sekula and Arnaut Osman" and "Mujo Hrnjica kills Simun Brehulja".  Albanian language songs about Arnaut Osman include "Sirotan Alia and Arnaut Osman".  The name of this here consists of personal name Osman and ethnonym Arnaut.

Vinayak Janardan Karandikar: Vinayak Janardan Karandikar (Marathi: विनायक जनार्दन करंदीकर ; September 15, 1872 – March 30, 1909) was a major poet of the Marathi language of India.  He is considered part of the early twentieth century renaissance in literature and poetry of the Marathi Language in the Indian state of Maharashtra due to his contribution to the revival of ancient poetry forms from Yadava Dynasty Maharashtra.

Maharashtra Sahitya Parishad: Maharashtra Sahitya Parishad is a literary institution situated in the West Indian state of Maharashtra for the purpose of the "furtherance of Marathi language and literature".  It was set up in Pune in 1906.  The Encyclopedia of Indian Literature considers it as Marathi's first representative literary body.  The "Parishad" arranges annual conferences runs "Maharashtra Sahitya Patrika" a Marathi quarterly, provides a reference library, conducts qualifying examinations in Marathi language and literature and classes for non-Marathi speakers in Pune.  It has undertaken the publishing a "History of Marathi literature".  It has constituted various awards in the field of literature.  The "Parishad" according to Deshpande lead in the demand for the formation of a separate linguistic state - Maharashtra.

Asambhav (Marathi TV series): Asambhav is an Indian Marathi language TV serial which aired on Zee Marathi from 2008 to 2010.  The show starred Umesh Kamat and Urmila Kanetkar in lead roles.  It was well received by the audience.  It received various awards and gained popularity.It was popular mainly because of its genre.  The serial is based on the popular concept of re-incarnation in Hindu culture.  The drama revolved around the cast which were presented as the rebirths of the past life and the dramatic events that occurred in their lives.  This serial had Umesh Kamat, Urmila Kanetkar, Neelam Shirke- Kulkarni, Anand Abhyankar in leading roles with screenplay/writer Chinmay Mandlekar and was directed by Satish Rajwade for most of its run of 2 years.

Mariamman: Māri (/mɒrı/, /maari/, Tamil: மாரி ), also known as Mariamman ( /mɒrı əˈmʌn/ Tamil: மாரியம்மன் ) and Mariaai (Marathi: मरी आई), both meaning "Mother Mari", spelt also Maariamma (Tamil: மாரியம்மா ), or simply Amman or Aatha (Tamil: அம்மன் , "mother") is the South Indian Hindu goddess of rain.  She is the main South Indian mother goddess, predominant in the rural areas of Tamil Nadu, Thirucherai Māri is closely associated with the Hindu goddesses Parvati and Durga as well as with her North Indian counterpart Shitaladevi.  Goddess Mariamman is considered by many to be the South Indian Incarnation of Goodess Kali.  It is said that when Kali went to Southern India as Mariamman, Bhairava followed her as Madurai Veeran.

Geet Ramayan: Geet Ramayan (Marathi: गीत रामायण , English: "The Ramayana in Songs" ) is a collection of 56 Marathi language songs chronologically describing events from the Indian Hindu epic, the "Ramayana".  It was broadcast by All India Radio, Pune in 1955–1956, four years before television was introduced in India.  Written by G. D. Madgulkar and the songs being composed by Sudhir Phadke, "Geet Ramayan" was acclaimed for its lyrics, music and singing.  It is considered a "milestone of Marathi light music" and the "most popular" Marathi version of "Ramayana".

Supporting paragraphs: Gajanan Digambar Madgulkar Geet Ramayan
Answer: Ādhunik Valmiki