Megalithic culture refers to the prehistoric period in which large stones, known as megaliths, were used to create monuments or structures. These megaliths were typically placed in a specific arrangement or pattern, often serving as burial sites or memorial markers. The megalithic culture of North India is an important aspect of the region's ancient history and has had a significant impact on the ongoing culture of the area.

Historical Context:
- The megalithic culture in North India dates back to the Neolithic and Chalcolithic periods, spanning from around 2500 BCE to 1000 BCE.
- The people of this culture were primarily agriculturalists and pastoralists, engaging in farming and animal husbandry.
- The megalithic sites in North India are found in various regions, including present-day Uttar Pradesh, Haryana, Punjab, and Rajasthan.

Key Features of Megalithic Culture:
- Burial Practices: One of the most prominent features of megalithic culture is the use of megaliths as burial markers. Large stone slabs or pillars were used to mark the burial sites of individuals or groups.
- Megalithic Monuments: Megaliths were also used to construct various types of monuments, such as dolmens, cairns, and menhirs. These structures served as religious or cultural landmarks.
- Rituals and Beliefs: The megalithic culture had strong ritualistic and religious beliefs. These beliefs were closely tied to ancestor worship and the veneration of the deceased.

Influence on Ongoing Culture:
- Architectural Influence: The megalithic culture has had a lasting impact on the architectural styles and techniques employed in North India. Many ancient temples and structures in the region display influences from the megalithic period, such as the use of large stone blocks and pillars.
- Cultural Practices: Certain cultural practices and rituals, such as ancestor worship and the construction of memorials, can be traced back to the megalithic culture. These practices continue to be followed in various forms in present-day North India.
- Historical Identity: The megalithic culture plays a crucial role in shaping the historical identity of North India. It provides a link to the region's ancient past and contributes to a sense of cultural continuity.

Conclusion:
The megalithic culture of North India is a significant aspect of the region's history. It has influenced various aspects of ongoing culture, including architecture, cultural practices, and historical identity. The megalithic sites and artifacts serve as a tangible link to the past, providing valuable insights into the ancient civilizations that once thrived in the region.