Since the issue raised in all these Writ Petitions is one and the same, they are being disposed of by the following common order. Tamil Nadu Outdoor Advertising Association through its Secretary has filed W.P.No. 24999/2002 seeking to issue a Writ of Mandamus, directing the respondents, particularly the Southern Railway not to insist (Height + 3) formula for the purpose of renewal of the agreement of the members of the petitioner Association.

2. M/s. Swamy's Publicity Service through its proprietor has filed W.P.No.25000/2002 questioning the proceedings of the second respondent dated 28-5-2002 as far as insistence of maintaining (height + 3 metres) for the purpose of renewal and also the proceedings of the third respondent/Senior Divisional Commercial Manager, Southern Railway dated 2-7-2002 on various grounds. They also prayed for direction to the respondents to renew the agreement of the petitioner for the period from 1-4-2002 to 31-3-2003 without insisting (height + 3) formula as per letter dated 26-3-2002.

3. M/s. Net work advertising through its proprietor N. Dakshinamurthi has filed Writ Petition No. 30104/2002 seeking to quash the letter dated 28-5-2002 of the Divi