"Palace coup not new in Nepal. Growing anti-India rhetoric holding it responsible fr what actually ws an internal power struggle is a concern," Madhav tweeted.
Nepal recently recalled its Ambassador to India over charges of non-cooperation and indulging in anti-government activities.
Ambassador Deep Kumar Upadhyaya had "confronted" with Prime Minister KP Sharma Oli regarding the cancellation of President Bidya Devi Bhandari's scheduled visit to India, Nepalese Foreign Ministry sources said.
The Nepalese Cabinet had decided to recall Upadhyaya after his brief conversation with the Prime Minister, they said.
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Nepal government has levelled three charges against Upadhyaya to justify its decision to recall him, with officials saying he was working 'against national interest'.
Nepal's President Bidhya Devi Bhandari had recently cancelled her visit to India, which would have been her first foreign trip after assuming office, in the wake of the political instability in her country.
Bhandari was scheduled to visit from May 9 as the state guest at the invitation of President Pranab Mukherjee. She was also scheduled to participate in a 'Shahi Snan' in Ujjain's Simhastha Kumbh on May 14.