The Hyderabad-Secunderabad Marwadi Mahila Sangathan will organise a poster rangoli exhibition on June 5 to 6 at Navjivan Balika Vidyalaya, Ramkote, from 11a.m to 5p.m. It will also hold classes from June 7 to 14 at the same venue from 9 a.m. to 5 p.m., in five batches of two hours each.