The home minister conveyed best wishes to Kovind on his nomination.
"Met Shri Ram Nath Kovind ji. I conveyed my best wishes to him on his nomination as NDA's candidate for the office of President of India," Singh tweeted.
The BJP yesterday announced the name of the 71-year-old Kovind, a low-profile Dalit leader and a two-term BJP Rajya Sabha member, as its choice for President.
President Pranab Mukherjee completes his five-year term on July 24.
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