For the first time in Indian history, in 1955 Sita Ram Sharma the founder developed Electrical Insulating Sleevings. This was a monumental effort in the field of Electrical Insulations in the country. This was followed up by the development of Varnished Cotton Tape in 1956. Since then there has been no looking back, Bells is dedicated towards bringing more efficient and cost effective electrical insulating systems to man kind.

Bells is a recognized by the Ministry of Industries, Government of India, Indian Railways and Ministry of Defense India by virtue of its quality products and services backed by a team of highly skilled professionals within its Quality Control Laboratory.