Kerala government today said it was mulling setting up amenities for pilgrims visiting Ayyappa hill shrine at Sabarimala similar to those available to devotees at Lord Venkateswara Temple at Tirupati.Chief Minister Pinarayi Vijayan, an expert team will soon leave for Tirupati to study the Tirumala model development projects,” Minister for Devaswom and Tourism Kadakampally Surendran He said Andhra Pradesh Chief Minister Chandrababu Naidu has offered all help for studying the Tirumala model development. Though the Ayyappa temple at Sabarimala is not open throughout the year, the three-month long November-January festival season at the hill shrine attracts lakhs of people from the country and abroad.the temple usually opens for five days in each Malayalam month for poojas. Surendran.He said total revenue till Makaravillaku day on January 14 stood at Rs 255 crore, an increase of Rs 45 crore than that registered in the same period last year,Admitting that waste management was one of the major problems at the hill shrine, he said the objective of the government and Travancore Devaswom Board, that manages the temple, was for a ‘plastic free Sabarimala’. He claimed that waste at the pamba river at the foothills had come down to a great extent with the commissioning of a waste disposal plant at Sabarimala.Minister said government had banned plastic drinking water bottles to avoid the littering of of the temple area, which forms part of the Western ghats. The Kerala Water Authority supplied medicated drinking water to devotees at the forest trekking path, pamba and also at various centres where the devotees takes rest on their way to Sannidhanam.