Dada Ghosh Bhawan, the head quarters of BSNL Employees Union, was purchased in May 1963 for Rs. 90,000 by Com. O.P.Gupta, the then General Secretary, E.III Union, for accommodating the NFPTE and affiliated unions, which were being asked to vacate the rented accommodation, 9, Pusa Road, New Delhi, where they were functioning since 1954.The loan was paid back after all the unions collected donations and handed over to E.III Union.  Most of the unions shifted to Dada Ghosh Bhawan, but later shifted from there, except E.III, E.IV and P.III Unions.