Top 10 Ramelteon (Rozerem) Generic Manufacturers in India

User avatar placeholder
Written by Robert Gultig

6 January 2026

Top 10 Ramelteon (Rozerem) Generic Manufacturers in India

The pharmaceutical landscape in India has witnessed significant transformation over the past decade, particularly in the generics market. Ramelteon, marketed as Rozerem, is a prescription medication used primarily for the treatment of insomnia. According to a report from the Indian Pharmaceutical Alliance, India is the world’s largest provider of generic drugs, with a market size estimated at USD 30 billion in 2020. The global market for insomnia treatment is projected to grow at a CAGR of around 6.3% from 2021 to 2028, indicating a burgeoning demand for generic alternatives like Ramelteon. This report highlights the top 10 manufacturers of Ramelteon in India, showcasing their market performance and relevance.

1. Sun Pharmaceutical Industries Ltd.

Sun Pharma is one of India’s largest pharmaceutical companies, with a significant presence in the global generics market. They produce Ramelteon under various brand names, capturing approximately 8% of the Indian insomnia treatment market. Their production facilities are equipped with advanced technology, ensuring high-quality generics.

2. Lupin Pharmaceuticals

Lupin is another major player in the Indian pharmaceutical sector, known for its robust portfolio of generic medications. With an estimated market share of 5% in the insomnia segment, Lupin manufactures Ramelteon, contributing significantly to the availability of affordable alternatives.

3. Aurobindo Pharma

Aurobindo Pharma has established a strong foothold in the generic pharmaceutical market, producing Ramelteon among other drugs. The company reported a revenue of USD 1.5 billion in FY 2020, with generics contributing to over 70% of its total sales, indicating a strong demand for insomnia medications.

4. Cipla Ltd.

Cipla, a well-known name in the Indian pharmaceutical industry, produces a wide range of generic drugs, including Ramelteon. The company holds a market share of around 6% in the insomnia treatment market, illustrating its commitment to providing affordable healthcare solutions.

5. Dr. Reddy’s Laboratories

Dr. Reddy’s is a leading pharmaceutical company with a diverse portfolio, including generics like Ramelteon. The company has a strong presence in the global market, exporting to over 100 countries and reporting a revenue of USD 2.2 billion in FY 2021.

6. Zydus Cadila

Zydus Cadila has emerged as a key player in the generics space, with its production of Ramelteon contributing to its overall market share. The company reported a revenue of approximately USD 2 billion in FY 2021, highlighting its significant role in the pharmaceutical sector.

7. Mylan Pharmaceuticals

Mylan, now part of Viatris, is recognized for its extensive portfolio of generic medications, including Ramelteon. Mylan holds a significant market share in the insomnia treatment market, and its global reach ensures that patients have access to affordable alternatives.

8. Alkem Laboratories

Alkem Laboratories is known for its strong presence in the Indian generics market, producing a range of medications, including Ramelteon. The company reported a revenue of USD 1.2 billion in FY 2021, with a growing focus on expanding its generics portfolio.

9. Hetero Labs

Hetero Labs has established itself as a significant player in the pharmaceutical industry, producing a variety of generic drugs, including Ramelteon. The company focuses on research and development, ensuring high-quality production and compliance with global standards.

10. Torrent Pharmaceuticals

Torrent Pharmaceuticals has made a name for itself in the generics sector, with Ramelteon being a part of its diverse portfolio. The company reported a revenue of USD 1.1 billion in FY 2021, showcasing its strong market position and commitment to affordable healthcare.

Insights

The Indian pharmaceutical industry is poised for continued growth, particularly in the generics segment, which is expected to reach USD 40 billion by 2024. The demand for Ramelteon and other insomnia medications is likely to rise, driven by increasing awareness of sleep disorders and the need for effective treatments. Furthermore, the competitive landscape among the top manufacturers will enhance accessibility and affordability, ultimately benefiting patients. As generics like Ramelteon gain traction, companies are investing in research and development to ensure compliance with international standards, further solidifying India’s position as a global hub for pharmaceutical manufacturing.

Related Analysis: View Previous Industry Report

Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
View Robert’s LinkedIn Profile →