The question asks to identify the location in India with the earliest archaeological evidence of a hearth.
Archaeological excavations have identified hearth remains at several ancient sites. Among the options provided, Bila Surgam is recognized for yielding very early evidence of controlled fire use, indicated by hearths.
These findings are significant for understanding the early technological capabilities and settlement patterns of prehistoric humans in India.
Therefore, the earliest archaeological remains of a hearth in India have been found from Bila Surgam.