Richa Chadha shares makeup 'tutorial' to evade facial recognition during protests. Amid protests in Delhi and Mumbai against alleged irregularities in SIR of electoral rolls, actress Richa Chadha shared a "makeup tutorial" to dodge surveillance or facial recognition cameras during protests. "Draw an extra eye, pair of lips, use colour to draw camouflage on your skin, use concealer to cover brows if need be," Richa said. "Girls...carry pepper spray," she added.