Type 3: Coasters designed by R.K. Laxman.

R K LAXMAN air-india coasters air india coaster RK-Laxman
R K LAXMAN air-india coasters air india coaster RK-Laxman
R K LAXMAN air-india coasters air india coaster RK-Laxman
R K LAXMAN air-india coasters air india coaster RK-Laxman
R K LAXMAN air-india coasters air india coaster RK-Laxman

Please check here a booklet designed by RK Laxman, depicting various destinations Air India flight has been or operating .
Image Courtesy: Kishore KT.