Tata Docomo is the best network Tata Docomo gives us very low rate calls Tata Docomo is very old sim company but it is vrey good networking like before you downland my Tata Docomo app and get benefits like good Talktime low call rate offers low data recharge offers good payment options and this is so lowest data recharge Rs 97= 3GB data for ten days Tata Docomo is gives us very good networking in all places like village, town, city and gives me not data roming Tata Docomo is very good sim company in this world before tata Docomo is gives us 2g speed but company give us 3g speed 3g sim in 3g smartphones THANK YOU