** Shares of Adani Power ADAN.NS surge 20% to 170 rupees, set for best day since January
** Stock up after 45.4 million shares change hands in multiple block deals at a 5%-20% premium over last close
** ADAN's approved share split of 1 share into 5 shares, due later in the day
** Around 135 million shares changed hands by 3:20 p.m. IST, almost 16 times more than 30-day avg.
** Stock up 35% since Thursday after India's markets regulator dismissed parts of short-seller Hindenburg Research's stock manipulation allegations against Adani and his conglomerate
(Reporting by Urvi Dugar)
((UrviManoj.Dugar@thomsonreuters.com))