Dear Dr. H.N. Bhatt,
The Meghaduuta of Kaalidaasa (with comm. Subodhaa of Bharatasena or Bharatamallika), ed. J. B. Chaudhuri, Pracyavani, vol.vii, 1950 rpt.2008 is available from Sanskrit Sahitya Parishat, 168/1, Raja Dinendra Street, Kolkata 2004 (Ph:033-2554 5422/2533 1273). In it, there is an introduction along with divergent views of Bengali commentators viz., Sanaatana, Kalyaa.namalla, Raamanaatha, etc. and information about the Asiatic Society's MSS of the commentaries by Kaviratna, K.r.s.nadaasa Vidyaavaagiisha, Sarasvatiitiirtha, Caritravardhana, Shaashvata, etc. Unfortunately, I could not trace yet the edition of the Meghaduuta mentioned by
you.
Regards,
Nabanarayan Bandyopadhyay