Series of experiments were conducted from 1989-1992 under rainfed conditions on black cotton soils (vertisols) to findout an alternative high yielding potato genotypes to Kufri Chandramukhi. Excellent performance over the years was exhibited by MS/79-10, JEX/C 166, PS/M-75 and PJ 376 yielding more than 25 t/ha which was about 40 per cent more than the existing cv. K. Chandramukhi. The variances due to Genotype X Environment interaction were significant and the genotype PS/M-75 was found to be average adaptor with regression (bi = 1.083) value close to unity and high mean performance of 26.78 t/ha over general mean (18.70 t/ha). The genotypes JEX/C 166 and PJ 376 were best adaptors (bi > 1.0) for favourable environments while the genotype MS/79-10 can adapt well for poor environments. The genotype JEX/C 166 performed well even on farm trials and faired well in storage and the cooking qualities.