"I congratulate the people of Kochi on the proud moment," the PM said.
Legendary Marxist firebrand K R Gowri, one of the founding leaders of the Communist movement in Kerala and the lone woman member in the state's first cabinet, died at a hospital in Thiruvananthapuram.
Shah also attacked the Congress and said "the party was finished in the country due to corruption and family rule."
The Congress party continues to be racked by arbitrary decision-making and the absence of accountability.
Even if they score administratively, state governments ruled by the party suffer from an inability to communicate positively, say observers.
Kerala Chief Minister Oommen Chandy tells rediff.com's Shobha Warrier why the UPA lost in the general elections, the decline of the Left and what he expects from the Centre.
State after state has imposed an alcohol ban, and has had to retreat, unable to address the financial and administrative fallout. Are we set for more of this cycle, asks Aditi Phadnis.
Amma will wait for Prime Minister Narendra Modi's 'honeymoon' with the voter to fade away before deciding on the issues that are of real concern to the state and others that may need a considered and balanced solution, say N Sathiya Moorthy and M Kasinathan