In this issue
p. 0543

Sasti Brata Kabiraj
p. 0545

The great divide - Can we bridge it? [Guest Editorial]
p. 0546 | Venkataraman, G.

Science and technology in a poor country
p. 0548 | Bhatia, C. R.

Pest-resistant crop varieties: A case for reconsideration
p. 0550 | Sharma, R. N.

A Nigerian and a Mexican share the 1992 Kalinga Award
p. 0550 | Kamble, Vinay

IUCAA dedicated
p. 0551 | Narlikar, Jayant V.

Conducting polymers - Newer avenues of application
p. 0552 | Ramakrishnan, S.

How to reap what you did not sow - II
p. 0554 | Ramakrishnan, T.

Invasive alien weeds in the Western Ghats
p. 0555 | Muniappan, R.; Viraktamath, C. A.

Effect of ultrasonication on the floatability of galena
p. 0558 | Singh, B. P.

Studies on weathering of Kailasanatha Temple, Kancheepuram
p. 0559 | Singh, M.

Some emerging trends in physics
p. 0566 | Mukunda, N.

NRDC: The story of the transformation of a public enterprise
p. 0569 | Parthasarathi, Ashok; Sharma, N. K.

Anthocyanins - Prospective food colours
p. 0575 | Shenoy, V. R.

High latitude-low latitude ionosphere coupling
p. 0579 | Somayajulu, V. V.; Cherian, Ligi

Ionosphere-thermosphere coupling
p. 0588 | Sridharan, R.

Endomyocardial fibrosis is possibly an interstitial heart disease
p. 0598 | Kartha, C. C.

Differential aggression towards alien conspecifics in a primitively eusocial wasp
p. 0601 | Venkataraman, Arun B.; Gadagkar, Raghavendra

Organogenesis in Saccharfum officinarum L. variety Co 740
p. 0604 | Mohatkar, L. C.; Chaudhuri, A. N.; Deokar, A. B.; Shaw, B. S.

Advanced Ceramics
p. 0606 | Kannan, T. S.

Industrial Biotechnology
p. 0607 | Joshi, A. P.

Nervous Systems - Principles of Design and Function
p. 0608 | Lakhotia, S. C.

NCRP Report No. 113, Exposure Criteria for Medical Diagnostics Ultra-sound: Criteria Based on Thermal Mechanisms
p. 0610 | Sadasivan, K.

Erratum
p. 0611

A renowned cosmic-ray physicist, an obituary of Bernard Peters
p. 0612 | Lal, D.

INSA elects new fellows
p. 0615

Interaction meeting on evolutionary ecology
p. 0619